content: <?xml version='1.0' encoding='ASCII'?>
  <!--XBRL Document Created with the Workiva Platform-->
  <!--Copyright 2024 Workiva-->
  <!--r:f7d357d4-95d3-4974-b9bf-998691850cc0,g:7fb2647e-6629-4184-9599-173e26fe6499,d:299cbebbab264efb8bb914597f7441bd-->
  <html xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ixt="http://www.xbrl.org/inlineXBRL/transformation/2020-02-12" xmlns:ix="http://www.xbrl.org/2013/inlineXBRL" xmlns:ixt-sec="http://www.sec.gov/inlineXBRL/transformation/2015-08-31" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:dei="http://xbrl.sec.gov/dei/2023" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US"><head><meta http-equiv="Content-Type" content="text/html"/>
  
  
  <title>cik0000728391-20240415</title></head><body><div style="display:none"><ix:header><ix:hidden><ix:nonNumeric contextRef="c-1" name="dei:EntityCentralIndexKey" id="f-17">0000728391</ix:nonNumeric><ix:nonNumeric contextRef="c-1" name="dei:AmendmentFlag" id="f-18">false</ix:nonNumeric></ix:hidden><ix:references xml:lang="en-US"><link:schemaRef xlink:type="simple" xlink:href="cik0000728391-20240415.xsd"/></ix:references><ix:resources><xbrli:context id="c-1"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000728391</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2024-04-15</xbrli:startDate><xbrli:endDate>2024-04-15</xbrli:endDate></xbrli:period></xbrli:context></ix:resources></ix:header></div><div id="i299cbebbab264efb8bb914597f7441bd_1"></div><div style="min-height:49.5pt;width:100%"><div style="text-align:right"><span><br/></span></div></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:700;line-height:120%">UNITED STATES</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:700;line-height:120%">SECURITIES AND EXCHANGE COMMISSION</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:700;line-height:120%">WASHINGTON, DC 20549</span></div><div style="text-align:center"><span><br/></span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:700;line-height:120%">FORM <ix:nonNumeric contextRef="c-1" name="dei:DocumentType" id="f-1">8-K</ix:nonNumeric> </span></div><div style="text-align:center"><span><br/></span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:700;line-height:120%">CURRENT REPORT</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:700;line-height:120%">Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934</span></div><div style="text-align:center"><span><br/></span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:120%">Date of Report (Date of earliest event reported): <ix:nonNumeric contextRef="c-1" name="dei:DocumentPeriodEndDate" format="ixt:date-monthname-day-year-en" id="f-2">April 15, 2024</ix:nonNumeric></span></div><div style="text-align:center"><span><br/></span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:14pt;font-weight:700;line-height:120%"><ix:nonNumeric contextRef="c-1" name="dei:EntityRegistrantName" id="f-3">IPALCO ENTERPRISES, INC.</ix:nonNumeric></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:120%"> </span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(Exact name of registrant as specified in its charter)</span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:92.022%"><tr><td style="width:1.0%"/><td style="width:49.054%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:48.746%"/><td style="width:0.1%"/></tr><tr style="height:5pt"><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:100%"><ix:nonNumeric contextRef="c-1" name="dei:EntityIncorporationStateCountryCode" format="ixt-sec:stateprovnameen" id="f-4">Indiana</ix:nonNumeric></span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:100%"><ix:nonNumeric contextRef="c-1" name="dei:EntityTaxIdentificationNumber" id="f-5">35-1575582</ix:nonNumeric></span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:700;line-height:100%">(State or other jurisdiction of incorporation or organization)</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:700;line-height:100%">(I.R.S Employer Identification No.)</span></td></tr><tr style="height:12pt"><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:100%"><ix:nonNumeric contextRef="c-1" name="dei:EntityAddressAddressLine1" id="f-6">One Monument Circle</ix:nonNumeric> </span></td><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:100%"><ix:nonNumeric contextRef="c-1" name="dei:EntityAddressCityOrTown" id="f-7">Indianapolis</ix:nonNumeric>, <ix:nonNumeric contextRef="c-1" name="dei:EntityAddressStateOrProvince" format="ixt-sec:stateprovnameen" id="f-8">Indiana</ix:nonNumeric></span></div></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:100%"><ix:nonNumeric contextRef="c-1" name="dei:EntityAddressPostalZipCode" id="f-9">46204</ix:nonNumeric></span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:700;line-height:100%">(Address of principal executive offices)</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:700;line-height:100%">(Zip code)</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Registrant's telephone number, including area code:</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">(<ix:nonNumeric contextRef="c-1" name="dei:CityAreaCode" id="f-10">317</ix:nonNumeric>)-<ix:nonNumeric contextRef="c-1" name="dei:LocalPhoneNumber" id="f-11">261-8261</ix:nonNumeric></span></div></td></tr></table></div><div style="text-align:center"><span><br/></span></div><div style="text-align:justify;text-indent:18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:120%">Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:</span></div><div style="text-align:justify;text-indent:18pt"><span><br/></span></div><div style="margin-bottom:6pt;padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial Unicode MS',sans-serif;font-size:12pt;font-weight:400;line-height:120%"><ix:nonNumeric contextRef="c-1" name="dei:WrittenCommunications" format="ixt-sec:boolballotbox" id="f-12">&#9744;</ix:nonNumeric></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:120%"> Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</span></div><div style="margin-bottom:6pt;padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial Unicode MS',sans-serif;font-size:12pt;font-weight:400;line-height:120%"><ix:nonNumeric contextRef="c-1" name="dei:SolicitingMaterial" format="ixt-sec:boolballotbox" id="f-13">&#9744;</ix:nonNumeric></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:120%"> Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)</span></div><div style="margin-bottom:6pt;padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial Unicode MS',sans-serif;font-size:12pt;font-weight:400;line-height:120%"><ix:nonNumeric contextRef="c-1" name="dei:PreCommencementTenderOffer" format="ixt-sec:boolballotbox" id="f-14">&#9744;</ix:nonNumeric></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:120%"> Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))</span></div><div style="margin-bottom:6pt;padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial Unicode MS',sans-serif;font-size:12pt;font-weight:400;line-height:120%"><ix:nonNumeric contextRef="c-1" name="dei:PreCommencementIssuerTenderOffer" format="ixt-sec:boolballotbox" id="f-15">&#9744;</ix:nonNumeric></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:120%"> Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))</span></div><div style="margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:96.866%"><tr><td style="width:1.0%"/><td style="width:35.370%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:20.664%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:40.666%"/><td style="width:0.1%"/></tr><tr><td colspan="9" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:2pt;padding-left:2.25pt;padding-right:2.25pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Securities registered pursuant to Section&#160;12(b) of the Act:</span></div></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:2pt;padding-left:2.25pt;padding-right:2.25pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:100%;text-decoration:underline">Title of Each Class</span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:2pt;padding-left:2.25pt;padding-right:2.25pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:100%;text-decoration:underline">Trading Symbol(s)</span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:2pt;padding-left:2.25pt;padding-right:2.25pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:100%;text-decoration:underline">Name of Each Exchange on Which Registered</span></div></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:2pt;padding-left:2.25pt;padding-right:2.25pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:100%">N/A</span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:2pt;padding-left:2.25pt;padding-right:2.25pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:100%">N/A</span></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:2pt;padding-left:2.25pt;padding-right:2.25pt;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:100%">N/A</span></div></td></tr></table></div><div style="text-align:justify;text-indent:18pt"><span><br/></span></div><div style="text-align:justify;text-indent:18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:120%">Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (&#167; 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (&#167; 240.12b-2 of this chapter).</span></div><div style="margin-top:5pt;padding-left:31.5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:40.170%"><tr><td style="width:1.0%"/><td style="width:77.268%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:20.532%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="margin-bottom:2pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Emerging growth company</span></div></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial Unicode MS',sans-serif;font-size:12pt;font-weight:700;line-height:100%"><ix:nonNumeric contextRef="c-1" name="dei:EntityEmergingGrowthCompany" format="ixt-sec:boolballotbox" id="f-16">&#9744;</ix:nonNumeric></span></td></tr></table></div><div style="padding-left:31.5pt"><span><br/></span></div><div style="text-align:justify;text-indent:18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:120%">If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%">  </span><span style="color:#000000;font-family:'Arial Unicode MS',sans-serif;font-size:12pt;font-weight:400;line-height:120%">&#9744;</span></div><div><span><br/></span></div><div style="height:49.5pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div><span><br/></span></div></div></div><div id="i299cbebbab264efb8bb914597f7441bd_10"></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div><span><br/></span></div></div><div style="-sec-extract:summary;padding-left:72pt;text-indent:-72pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:700;line-height:115%">Item 5.02 &#160;&#160;&#160;&#160;</span><span style="background-color:#ffffff;color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:700;line-height:115%">Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.</span></div><div style="text-align:justify;text-indent:36pt"><span><br/></span></div><div style="text-align:justify;text-indent:36pt"><span style="background-color:#ffffff;color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:112%">On April 15, 2024, the Boards of Directors of IPALCO Enterprises, Inc. (&#8220;IPALCO&#8221;), a subsidiary of The AES Corporation (&#8220;AES&#8221;), and IPALCO&#8217;s principal subsidiary, Indianapolis Power &amp; Light Company, doing business as AES Indiana (&#8220;AES Indiana&#8221;), acting through unanimous written consents, appointed Gustavo Garavaglia as Vice President and Chief Financial Officer of IPALCO and AES Indiana and to the Board of Directors of AES Indiana. Sherry Kohan, who had been serving as Interim Vice President and Chief Financial Officer of IPALCO and AES Indiana, continues to serve in her role as Senior Vice President and Chief Accounting Officer of AES.</span></div><div><span><br/></span></div><div style="text-align:justify;text-indent:36pt"><span style="background-color:#ffffff;color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:112%">Mr. Garavaglia also was elected on April 15, 2024 to the Board of Directors (the &#8220;Board&#8221;) of IPALCO by the unanimous written consent of IPALCO&#8217;s shareholders (the &#8220;Shareholders&#8221;), AES U.S. Investments, Inc. (&#8220;AES U.S. Investments&#8221;) and CDP Infrastructures Fund L.P. (&#8220;CDP&#8221;), a wholly-owned subsidiary of La Caisse de d&#233;p&#244;t et placement du Qu&#233;bec.</span></div><div style="text-align:justify;text-indent:36pt"><span><br/></span></div><div style="text-align:justify;text-indent:36pt"><span style="background-color:#ffffff;color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:112%">Members of the Board are nominated and elected in accordance with the terms of a Shareholders&#8217; Agreement dated February 11, 2015 (the &#8220;Shareholders&#8217; Agreement&#8221;) by and among IPALCO and the Shareholders. Pursuant to the Shareholders&#8217; Agreement, AES U.S. Investments has the right to nominate nine directors of the Board and CDP has the right to nominate two directors of the Board. Mr. Garavaglia was nominated by AES.</span></div><div style="text-align:justify;text-indent:36pt"><span><br/></span></div><div style="text-align:justify;text-indent:36pt"><span style="background-color:#ffffff;color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:112%">Mr. Garavaglia</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:700;line-height:112%">,</span><span style="background-color:#ffffff;color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:112%"> 37, who also serves as a director or officer of other AES affiliates, including as Vice President and Chief Financial Officer and as a Director of IPALCO&#8217;s sister company, DPL Inc., and DPL Inc.&#8217;s primary operating subsidiary, AES Ohio, had served as Chief Financial Officer of Vale Base Metals since April 2022.</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:112%">  </span><span style="background-color:#ffffff;color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:112%">Prior to joining Vale, Mr. Garavaglia spent twelve years at AES, serving as Chief Financial Officer of IPALCO and AES Indiana from November 2018 to March 2022. Mr. Garavaglia also served as a director of AES Indiana from March 2019 to April 2022, and as a director or officer of other AES affiliates, including as Chief Financial Officer of DPL Inc. and AES Ohio, from November 2018 to March 2022. Prior to that, Mr. Garavaglia held several other positions while at AES, including as the Director of Financial Planning &amp; Analysis and Development &amp; Transactions for AES Mexico, Central America and the Caribbean (&#8220;AES MCAC&#8221;), Senior Manager of Development &amp; Transactions for AES MCAC, Investment Analysis and Risk Manager for AES Brazil, M&amp;A Associate for AES, and Strategic Planning Specialist for AES Brazil. Mr. Garavaglia received a Bachelor&#8217;s degree in Electrical Engineering from University of Campinas (Unicamp) and a Master&#8217;s degree in Business from FGV Brazil, and is a CFA Charterholder.</span></div><div style="text-align:justify;text-indent:36pt"><span style="background-color:#ffffff;color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:112%"> </span></div><div style="text-align:justify;text-indent:36pt"><span style="background-color:#ffffff;color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:112%">IPALCO and AES Indiana do not separately compensate individuals for their service as officers or members of the Board of Directors of IPALCO or AES Indiana.</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:112%">  </span><span style="background-color:#ffffff;color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:112%">Mr. Garavaglia will participate in compensation plans and programs generally available to management of AES and its subsidiaries for services performed for all AES affiliates (including IPALCO and AES Indiana), including those described in IPALCO&#8217;s 2022 Form 10-K/A. Other than such compensation, which generally is in excess of one hundred and twenty thousand dollars annually, Mr. Garavaglia has not entered into or proposed to enter into any transactions reportable under Item 404(a) of Regulation S-K.</span></div><div style="text-align:justify;text-indent:36pt"><span><br/></span></div><div style="padding-left:72pt;text-align:justify;text-indent:-72pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:700;line-height:115%">Item 8.01 &#160;&#160;&#160;&#160;Other Events</span></div><div style="text-align:justify;text-indent:36pt"><span><br/></span></div><div style="text-align:justify;text-indent:36pt"><span style="background-color:#ffffff;color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:112%">On April 17, 2024, the Indiana Utility Regulation Commission (the &#8220;IURC&#8221;) issued an order (the &#8220;2024 Rate Order&#8221;) approving the Stipulation and Settlement Agreement that AES Indiana entered into on November 22, 2023, with the Indiana Office of Utility Consumer Counselor and the other intervening parties in AES Indiana&#8217;s base rate case filing. Among other matters and consistent with the Stipulation and Settlement Agreement, the 2024 Rate Order establishes an increase in AES Indiana&#8217;s revenue requirement of $71 million for AES Indiana&#8217;s electric service base rates and provides for a return on common equity of 9.9% and cost of long-term debt of 4.90% on a rate base of approximately $3.5 billion. </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:112%">Updated customer rates and charges are expected to be effective in May 2024.</span></div><div><span><br/></span></div><div style="height:49.5pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div><span><br/></span></div></div></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div><span><br/></span></div></div><div style="text-align:justify;text-indent:36pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:112%">AES Indiana&#8217;s rate review case docket, which includes of copy of the 2024 Rate Order, is available through the IURC&#8217;s online portal at </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:112%;text-decoration:underline">https://iurc.portal.in.gov</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:112%"> by searching Docketed Cases for Cause No. 45911. The information available through the portal or on the website of the IURC is not incorporated herein.</span></div><div style="text-align:justify;text-indent:36pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:700;line-height:120%">Item 9.01&#160;&#160;&#160;&#160;Financial Statements and Exhibits</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-style:italic;font-weight:400;line-height:112%">(d) Exhibits</span></div><div><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:14.142%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:83.658%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">Exhibit 104</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:100%">The cover page from this Current Report on Form 8-K, formatted in Inline XBRL.</span></td></tr></table></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:700;line-height:112%">Forward-Looking Statements</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:112%">This current report contains forward-looking statements within the meaning of the Securities Act of 1933 and the Securities Exchange Act of 1934. These statements include, but are not limited to, statements regarding management&#8217;s intents, beliefs, and current expectations and typically contain, but are not limited to, the terms &#8220;anticipate,&#8221; &#8220;potential,&#8221; &#8220;expect,&#8221; &#8220;forecast,&#8221; &#8220;target,&#8221; &#8220;will,&#8221; &#8220;would,&#8221; &#8220;intend,&#8221; &#8220;believe,&#8221; &#8220;project,&#8221; &#8220;estimate,&#8221; &#8220;plan&#8221; and similar words. Such forward-looking statements include, without limitation, statements with respect to return on and recovery of costs and expenses, the timing and implementation of rates and revenue increases, strategic objectives, management&#8217;s expectations, or other anticipated matters in connection with the 2024 Rate Order and its effects, including those on the financial performance and condition of AES Indiana and IPALCO. Forward-looking statements are not intended to be a</span><span style="background-color:#ffffff;color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:112%"> guarantee of future results, but instead constitute our current expectations based on reasonable assumptions. These assumptions include, but are not limited to, our expectations regarding timing of events, accurate projections of market conditions and regulatory rates, future interest rates, commodity prices, continued operating performance and electricity volume at distribution companies, as well as achievements of planned productivity improvements and growth investments at expected rates of return.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="background-color:#ffffff;color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:112%">Actual results could differ materially from those projected in our forward-looking statements due to risks, uncertainties, and other factors. Important factors that could affect actual results are discussed in IPALCO&#8217;s filings with the Securities and Exchange Commission (the &#8220;SEC&#8221;), including, but not limited to, the risks discussed under Item 1A: &#8220;Risk Factors&#8221; and Item 7: "Management&#8217;s Discussion &amp; Analysis" in IPALCO&#8217;s 2023 Annual Report on Form 10-K and in subsequent reports filed with the SEC. Readers are encouraged to read IPALCO&#8217;s filings to learn more about the risk factors associated with IPALCO&#8217;s businesses. IPALCO undertakes no obligation to update or revise any forward-looking statements, whether as a result of new information, future events, or otherwise. Any security holder who desires a copy of IPALCO&#8217;s 2023 Annual Report on Form 10-K, or subsequent filings with the SEC, may obtain a copy (excluding the exhibits thereto) without charge by addressing a request to the Office of the Secretary, IPALCO Enterprises, Inc., One Monument Circle, Indianapolis, Indiana 46204. Exhibits also may be requested, but a charge equal to the reproduction cost thereof may be made. A copy of the Annual Report on Form 10-K may also be obtained by visiting AES Indiana&#8217;s website at www.aesindiana.com.</span></div><div style="text-align:justify"><span><br/></span></div><div><span><br/></span></div><div style="height:49.5pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div><span><br/></span></div></div></div><div id="i299cbebbab264efb8bb914597f7441bd_13"></div><hr style="page-break-after:always"/><div style="min-height:49.5pt;width:100%"><div><span><br/></span></div></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:700;line-height:120%">SIGNATURES</span></div><div style="padding-left:36pt;padding-right:36pt;text-align:center;text-indent:-72pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-align:justify;text-indent:45pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:120%">Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.&#160;</span></div><div style="text-indent:45pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:120%">&#160;</span></div><div style="text-indent:45pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:120%">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;       </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:700;line-height:120%">IPALCO Enterprises, Inc.</span></div><div style="text-indent:45pt"><span><br/></span></div><div style="text-indent:45pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:86.752%"><tr><td style="width:1.0%"/><td style="width:45.698%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:7.274%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:43.728%"/><td style="width:0.1%"/></tr><tr style="height:14pt"><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Date:  April 18, 2024</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:100%">By:</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:100%">/s/ Brian Hylander</span></td></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Name:</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Brian Hylander</span></td></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Title:</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:100%">Vice President, General Counsel and Secretary</span></td></tr></table></div><div style="text-indent:45pt"><span><br/></span></div><div style="text-indent:45pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:120%">&#160;</span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:120%">&#160;</span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:120%">&#160;</span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:11pt;font-weight:400;line-height:120%">&#160;</span></div><div><span><br/></span></div><div style="height:49.5pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div><span><br/></span></div></div></div></body></html>
metadata_documents: [{"type": "8-K", "sequence": "1", "filename": "cik0000728391-20240415.htm", "description": "8-K", "secsgml_size_bytes": 34231}]
metadata_filer: {"company-data": {"conformed-name": "IPALCO ENTERPRISES, INC.", "cik": "0000728391", "assigned-sic": "4911", "organization-name": "01 Energy & Transportation", "irs-number": "351575582", "state-of-incorporation": "IN", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "001-08644", "film-number": "24852892"}, "business-address": {"street1": "ONE MONUMENT CIRCLE", "street2": "PO BOX 1595", "city": "INDIANAPOLIS", "state": "IN", "zip": "46204", "phone": "3172618261"}, "mail-address": {"street1": "ONE MONUMENT CIRCLE", "street2": "P.O. BOX 1595", "city": "INDIANAPOLIS", "state": "IN", "zip": "46204"}, "former-company": {"former-conformed-name": "IPALCO ENTERPRISES INC", "date-changed": "19920703"}}
text: cik0000728391-20240415
  UNITED STATES
  SECURITIES AND EXCHANGE COMMISSION
  WASHINGTON, DC 20549
  FORM
  8-K
  CURRENT REPORT
  Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
  Date of Report (Date of earliest event reported):
  April 15, 2024
  IPALCO ENTERPRISES, INC.
  (Exact name of registrant as specified in its charter)
  Indiana
  35-1575582
  (State or other jurisdiction of incorporation or organization)
  (I.R.S Employer Identification No.)
  One Monument Circle
  Indianapolis
  ,
  Indiana
  46204
  (Address of principal executive offices)
  (Zip code)
  Registrant's telephone number, including area code:
  (
  317
  )-
  261-8261
  Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
  ☐
  Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
  ☐
  Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
  ☐
  Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
  ☐
  Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
  Securities registered pursuant to Section 12(b) of the Act:
  Title of Each Class
  Trading Symbol(s)
  Name of Each Exchange on Which Registered
  N/A
  N/A
  N/A
  Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).
  Emerging growth company
  ☐
  If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.
  ☐
  Item 5.02
  Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.
  On April 15, 2024, the Boards of Directors of IPALCO Enterprises, Inc. ("IPALCO"), a subsidiary of The AES Corporation ("AES"), and IPALCO's principal subsidiary, Indianapolis Power & Light Company, doing business as AES Indiana ("AES Indiana"), acting through unanimous written consents, appointed Gustavo Garavaglia as Vice President and Chief Financial Officer of IPALCO and AES Indiana and to the Board of Directors of AES Indiana. Sherry Kohan, who had been serving as Interim Vice President and Chief Financial Officer of IPALCO and AES Indiana, continues to serve in her role as Senior Vice President and Chief Accounting Officer of AES.
  Mr. Garavaglia also was elected on April 15, 2024 to the Board of Directors (the "Board") of IPALCO by the unanimous written consent of IPALCO's shareholders (the "Shareholders"), AES U.S. Investments, Inc. ("AES U.S. Investments") and CDP Infrastructures Fund L.P. ("CDP"), a wholly-owned subsidiary of La Caisse de dépôt et placement du Québec.
  Members of the Board are nominated and elected in accordance with the terms of a Shareholders' Agreement dated February 11, 2015 (the "Shareholders' Agreement") by and among IPALCO and the Shareholders. Pursuant to the Shareholders' Agreement, AES U.S. Investments has the right to nominate nine directors of the Board and CDP has the right to nominate two directors of the Board. Mr. Garavaglia was nominated by AES.
  Mr. Garavaglia
  ,
  37, who also serves as a director or officer of other AES affiliates, including as Vice President and Chief Financial Officer and as a Director of IPALCO's sister company, DPL Inc., and DPL Inc.'s primary operating subsidiary, AES Ohio, had served as Chief Financial Officer of Vale Base Metals since April 2022.
  Prior to joining Vale, Mr. Garavaglia spent twelve years at AES, serving as Chief Financial Officer of IPALCO and AES Indiana from November 2018 to March 2022. Mr. Garavaglia also served as a director of AES Indiana from March 2019 to April 2022, and as a director or officer of other AES affiliates, including as Chief Financial Officer of DPL Inc. and AES Ohio, from November 2018 to March 2022. Prior to that, Mr. Garavaglia held several other positions while at AES, including as the Director of Financial Planning & Analysis and Development & Transactions for AES Mexico, Central America and the Caribbean ("AES MCAC"), Senior Manager of Development & Transactions for AES MCAC, Investment Analysis and Risk Manager for AES Brazil, M&A Associate for AES, and Strategic Planning Specialist for AES Brazil. Mr. Garavaglia received a Bachelor's degree in Electrical Engineering from University of Campinas (Unicamp) and a Master's degree in Business from FGV Brazil, and is a CFA Charterholder.
  IPALCO and AES Indiana do not separately compensate individuals for their service as officers or members of the Board of Directors of IPALCO or AES Indiana.
  Mr. Garavaglia will participate in compensation plans and programs generally available to management of AES and its subsidiaries for services performed for all AES affiliates (including IPALCO and AES Indiana), including those described in IPALCO's 2022 Form 10-K/A. Other than such compensation, which generally is in excess of one hundred and twenty thousand dollars annually, Mr. Garavaglia has not entered into or proposed to enter into any transactions reportable under Item 404(a) of Regulation S-K.
  Item 8.01     Other Events
  On April 17, 2024, the Indiana Utility Regulation Commission (the "IURC") issued an order (the "2024 Rate Order") approving the Stipulation and Settlement Agreement that AES Indiana entered into on November 22, 2023, with the Indiana Office of Utility Consumer Counselor and the other intervening parties in AES Indiana's base rate case filing. Among other matters and consistent with the Stipulation and Settlement Agreement, the 2024 Rate Order establishes an increase in AES Indiana's revenue requirement of $71 million for AES Indiana's electric service base rates and provides for a return on common equity of 9.9% and cost of long-term debt of 4.90% on a rate base of approximately $3.5 billion.
  Updated customer rates and charges are expected to be effective in May 2024.
  AES Indiana's rate review case docket, which includes of copy of the 2024 Rate Order, is available through the IURC's online portal at
  https://iurc.portal.in.gov
  by searching Docketed Cases for Cause No. 45911. The information available through the portal or on the website of the IURC is not incorporated herein.
  Item 9.01    Financial Statements and Exhibits
  (d) Exhibits
  Exhibit 104
  The cover page from this Current Report on Form 8-K, formatted in Inline XBRL.
  Forward-Looking Statements
  This current report contains forward-looking statements within the meaning of the Securities Act of 1933 and the Securities Exchange Act of 1934. These statements include, but are not limited to, statements regarding management's intents, beliefs, and current expectations and typically contain, but are not limited to, the terms "anticipate," "potential," "expect," "forecast," "target," "will," "would," "intend," "believe," "project," "estimate," "plan" and similar words. Such forward-looking statements include, without limitation, statements with respect to return on and recovery of costs and expenses, the timing and implementation of rates and revenue increases, strategic objectives, management's expectations, or other anticipated matters in connection with the 2024 Rate Order and its effects, including those on the financial performance and condition of AES Indiana and IPALCO. Forward-looking statements are not intended to be a
  guarantee of future results, but instead constitute our current expectations based on reasonable assumptions. These assumptions include, but are not limited to, our expectations regarding timing of events, accurate projections of market conditions and regulatory rates, future interest rates, commodity prices, continued operating performance and electricity volume at distribution companies, as well as achievements of planned productivity improvements and growth investments at expected rates of return.
  Actual results could differ materially from those projected in our forward-looking statements due to risks, uncertainties, and other factors. Important factors that could affect actual results are discussed in IPALCO's filings with the Securities and Exchange Commission (the "SEC"), including, but not limited to, the risks discussed under Item 1A: "Risk Factors" and Item 7: "Management's Discussion & Analysis" in IPALCO's 2023 Annual Report on Form 10-K and in subsequent reports filed with the SEC. Readers are encouraged to read IPALCO's filings to learn more about the risk factors associated with IPALCO's businesses. IPALCO undertakes no obligation to update or revise any forward-looking statements, whether as a result of new information, future events, or otherwise. Any security holder who desires a copy of IPALCO's 2023 Annual Report on Form 10-K, or subsequent filings with the SEC, may obtain a copy (excluding the exhibits thereto) without charge by addressing a request to the Office of the Secretary, IPALCO Enterprises, Inc., One Monument Circle, Indianapolis, Indiana 46204. Exhibits also may be requested, but a charge equal to the reproduction cost thereof may be made. A copy of the Annual Report on Form 10-K may also be obtained by visiting AES Indiana's website at www.aesindiana.com.
  SIGNATURES
  Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
  IPALCO Enterprises, Inc.
  Date:  April 18, 2024
  By:
  /s/ Brian Hylander
  Name:
  Brian Hylander
  Title:
  Vice President, General Counsel and Secretary