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<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">UNITED STATES</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-size: 12pt"><B>SECURITIES
AND EXCHANGE COMMISSION</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Washington, D.C. 20549</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-size: 12pt"><B>FORM 8-K</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-size: 12pt"><B>CURRENT
REPORT</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>PURSUANT TO SECTION 13 OR 15(d) OF THE</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>SECURITIES EXCHANGE ACT OF 1934</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Date of Report (Date of earliest event
reported) <U>September 2, 2012</U></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 18pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>ACORN ENERGY, INC.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>(Exact name of Registrant as Specified
in its Charter)</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 39%; border-bottom: windowtext 1pt solid; text-align: center">Delaware</TD>
    <TD STYLE="width: 1%; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 38%; border-bottom: windowtext 1pt solid; text-align: center">0-19771</TD>
    <TD STYLE="width: 1%; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 21%; border-bottom: windowtext 1pt solid; text-align: center">22-2786081</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center">(State or Other Jurisdiction</TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD STYLE="text-align: center">(Commission file Number)</TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD STYLE="text-align: center">(IRS Employer</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center">of Incorporation)</TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD STYLE="text-align: center">Identification No.)</TD></TR>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 55%; border-bottom: windowtext 1pt solid; text-align: center">3903 Centerville Road, Wilmington, Delaware</TD>
    <TD STYLE="width: 2%; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 43%; border-bottom: windowtext 1pt solid; text-align: center">19807</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center">(Address of Principal Executive Offices)</TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD STYLE="text-align: center">(Zip Code)</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Registrant&rsquo;s telephone number, including
area code <U>(302) 656-1707</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">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:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Wingdings">&uml;</FONT> Written communications
pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Wingdings">&uml;</FONT> Soliciting
material pursuant to Rule 14a-2 under the Exchange Act (17 CFR 240.14a-2)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Wingdings">&uml;</FONT> Pre-commencement
communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Wingdings">&uml;</FONT> Pre-commencement
communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>&nbsp;</B></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>Item 5.02 Departure of Directors or Certain Officers; Election
of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">On September 2, 2012, the board of directors
of the Registrant&rsquo;s subsidiary, DSIT Solutions Ltd. (&ldquo;DSIT&rdquo;), awarded Benny Sela, DSIT&rsquo;s President and
CEO, a 10% increase in annual compensation effective September 1, 2012. After giving effect to such increase, Mr. Sela&rsquo;s
new base salary, which is denominated in New Israeli Shekels (NIS) and is linked to the Israeli Consumer Price Index, is currently
equivalent to approximately $210,000 per annum.&nbsp;&nbsp;In addition, DSIT&rsquo;s board of directors also made Michael Barth,
who is the chief financial officer of both the Registrant and DSIT, eligible to receive an annual bonus equal to 1.5% of DSIT&rsquo;s
annual consolidated net income before tax, to be calculated and paid as soon as practicable following the end of DSIT&rsquo;s fiscal
year beginning with 2012. Such bonus will be paid only if Mr. Barth is employed by DSIT on the last day of the fiscal year to which
such payment relates.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>Item 8.01 Other Events</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">On August 31, 2012, Registrant and the other
parties to an Escrow Agreement dated as of August 31, 2011 (which is related to Registrant&rsquo;s sale of its stock in CoaLogix
Inc. last year) (the &ldquo;Escrow Agreement&rdquo;) notified Citibank, N.A., the escrow agent thereunder (&ldquo;Escrow Agent&rdquo;)
by written notice (the &ldquo;Notice&rdquo;), that they wished to terminate the Escrow Agreement and distribute the escrowed funds
as agreed in the Notice. The Registrant anticipates that it will receive approximately $5.96 million when the escrow funds are
released by the Escrow Agent, which is anticipated to occur before the end of September.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&nbsp;</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SIGNATURES</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">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 on this 5th day of September, 2012.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">&nbsp;</P>

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<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2">ACORN ENERGY, INC.</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 48%">&nbsp;</TD>
    <TD STYLE="width: 6%">&nbsp;</TD>
    <TD STYLE="width: 46%">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>By:</TD>
    <TD STYLE="border-bottom: windowtext 1pt solid">/s/Heather K. Mallard</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>Name:&nbsp;</TD>
    <TD>Heather K. Mallard</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>Title:</TD>
    <TD STYLE="padding-left: 0.1in; text-indent: -0.1in">Vice President, General Counsel &amp;<BR> Secretary</TD></TR>
</TABLE>
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{"company-data": {"conformed-name": "ACORN ENERGY, INC.", "cik": "0000880984", "assigned-sic": "8711", "irs-number": "222786081", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "001-33886", "film-number": "121074123"}, "business-address": {"street1": "3903 CENTERVILLE ROAD", "city": "WILMINGTON", "state": "DE", "zip": "19807", "phone": "3026561708"}, "mail-address": {"street1": "3903 CENTERVILLE ROAD", "city": "WILMINGTON", "state": "DE", "zip": "19807"}, "former-company": [{"former-conformed-name": "ACORN FACTOR, INC.", "date-changed": "20060920"}, {"former-conformed-name": "DATA SYSTEMS & SOFTWARE INC", "date-changed": "19931019"}, {"former-conformed-name": "DEFENSE SOFTWARE & SYSTEMS INC", "date-changed": "19930328"}]}
UNITED STATES
SECURITIES
AND EXCHANGE COMMISSION
Washington, D.C. 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)
September 2, 2012
ACORN ENERGY, INC.
(Exact name of Registrant as Specified
in its Charter)
Delaware
0-19771
22-2786081
(State or Other Jurisdiction
(Commission file Number)
(IRS Employer
of Incorporation)
Identification No.)
3903 Centerville Road, Wilmington, Delaware
19807
(Address of Principal Executive Offices)
(Zip Code)
Registrant's telephone number, including
area code
(302) 656-1707
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-2 under the Exchange Act (17 CFR 240.14a-2)
¨
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))
Item 5.02 Departure of Directors or Certain Officers; Election
of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers
On September 2, 2012, the board of directors
of the Registrant's subsidiary, DSIT Solutions Ltd. ("DSIT"), awarded Benny Sela, DSIT's President and
CEO, a 10% increase in annual compensation effective September 1, 2012. After giving effect to such increase, Mr. Sela's
new base salary, which is denominated in New Israeli Shekels (NIS) and is linked to the Israeli Consumer Price Index, is currently
equivalent to approximately $210,000 per annum.  In addition, DSIT's board of directors also made Michael Barth,
who is the chief financial officer of both the Registrant and DSIT, eligible to receive an annual bonus equal to 1.5% of DSIT's
annual consolidated net income before tax, to be calculated and paid as soon as practicable following the end of DSIT's fiscal
year beginning with 2012. Such bonus will be paid only if Mr. Barth is employed by DSIT on the last day of the fiscal year to which
such payment relates.
Item 8.01 Other Events
On August 31, 2012, Registrant and the other
parties to an Escrow Agreement dated as of August 31, 2011 (which is related to Registrant's sale of its stock in CoaLogix
Inc. last year) (the "Escrow Agreement") notified Citibank, N.A., the escrow agent thereunder ("Escrow Agent")
by written notice (the "Notice"), that they wished to terminate the Escrow Agreement and distribute the escrowed funds
as agreed in the Notice. The Registrant anticipates that it will receive approximately $5.96 million when the escrow funds are
released by the Escrow Agent, which is anticipated to occur before the end of September.
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 on this 5th day of September, 2012.
ACORN ENERGY, INC.
By:
/s/Heather K. Mallard
Name:
Heather K. Mallard
Title:
Vice President, General Counsel &
Secretary
3