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

<P STYLE="font: 18pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>SECURITIES AND EXCHANGE COMMISSION</B></P>

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

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

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

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

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

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

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>Date of Report (Date of earliest event reported)<U>
February 15, 2012 </U></B></P>

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

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

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

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

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

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 34%; text-decoration: underline; text-align: center; padding-right: 0; padding-left: 0">Delaware</TD>
    <TD STYLE="width: 33%; text-decoration: underline; text-align: center; padding-right: 0; padding-left: 0">0-19771</TD>
    <TD STYLE="width: 33%; text-decoration: underline; text-align: center; padding-right: 0; padding-left: 0">22-2786081</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center; padding-right: 0; padding-left: 0">(State or Other Jurisdiction</TD>
    <TD STYLE="text-align: center; padding-right: 0; padding-left: 0">(Commission file Number)</TD>
    <TD STYLE="text-align: center; padding-right: 0; padding-left: 0">(IRS Employer</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center; padding-right: 0; padding-left: 0">of Incorporation)</TD>
    <TD STYLE="text-align: center; padding-right: 0; padding-left: 0">&nbsp;</TD>
    <TD STYLE="text-align: center; padding-right: 0; padding-left: 0">Identification No.)</TD></TR>
</TABLE>


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

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-family: Times New Roman, Times, Serif">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%; padding-right: 0; padding-left: 0; font-size: 10pt; text-decoration: underline; text-align: center">&nbsp; 4 West Rockland Road, Montchanin, Delaware&nbsp;</TD>
    <TD STYLE="width: 50%; padding-right: 0; padding-left: 0; font-size: 10pt; text-decoration: underline; text-align: center">&nbsp;&nbsp;&nbsp;&nbsp; 19710</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0; padding-left: 0; font-size: 10pt; text-align: center">&nbsp;&nbsp; (Address of Principal Executive Offices)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
    <TD STYLE="padding-right: 0; padding-left: 0; font-size: 10pt; text-align: center">&nbsp;&nbsp;&nbsp; (Zip Code)</TD></TR>
</TABLE>


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

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><FONT STYLE="font-family: Wingdings 2">&#163;</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: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><FONT STYLE="font-family: Wingdings 2">&#163;</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: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><FONT STYLE="font-family: Wingdings 2">&#163;</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: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><FONT STYLE="font-family: Wingdings 2">&#163;</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: 0">&nbsp;</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><B>Section 1 &ndash; Registrant&rsquo;s Business
and Operations</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><B>Item 1.01 Entry into a Material Definitive
Agreement.</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>Section 2 &ndash; Financial Information</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>Item 2.01&nbsp;&nbsp;Completion of Acquisition or Disposition
of Asset<FONT STYLE="font-size: 10pt">s</FONT></B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">On February 15, 2012, we entered into a definitive
agreement pursuant to which we acquired, through our XYZ Holdings, Inc. wholly-owned Georgia subsidiary (&ldquo;Holdings&rdquo;),
all of the issued and outstanding limited liability company membership interests (the &ldquo;Interests&rdquo;) in OmniMetrix, LLC,
a Georgia limited liability company (&ldquo;OmniMetrix&rdquo;).&nbsp; OmniMetrix is in the business of designing, manufacturing,
marketing and selling (i) wireless remote systems that monitor standby power generation, backup power generators, remote powered
equipment, cellular towers, emergency towered communications and remote tower sites, (ii) wireless remote systems that monitor
landfill gas, and (iii) cathodic protection products to monitor pipeline integrity.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Holdings purchased the Interests in OmniMetrix
from its three individual holders (the &ldquo;Sellers&rdquo;) in consideration for an aggregate cash payment of $8,500,000, subject
to certain adjustments as provided in the definitive agreement.&nbsp; The purchase price proceeds will be used first to discharge
approximately $2,769,000 of indebtedness in the aggregate owed by OmniMetrix to the Sellers and an affiliate (including salaries,
rent, royalties and notes payable), with the balance, net of transaction expenses, paid to the Sellers pro rata according to their
respective percentage ownership of the Interests. A portion of the purchase price was placed in escrow to secure the Sellers&rsquo;
indemnification obligations under the agreement, with the balance to be released 18 months after the date of closing.&nbsp;&nbsp;We
have guaranteed Holdings&rsquo; performance of its indemnity obligations to the Sellers under the agreement.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><B>Section 7 &ndash; Regulation FD</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><B>Item 7.01 Regulation FD Disclosure.</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">On February 15, 2012, we issued a press release
announcing our execution and closing of an agreement to acquire OmniMetrix. The press release is filed as Exhibit 99.1 hereto.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>Section 9 &ndash; Financial Statements and Exhibits</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>Item 9.01&nbsp;&nbsp;Financial Statements and Exhibits</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>(d)&#9;Exhibits</B></P>

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

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

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<TR STYLE="vertical-align: top">
    <TD STYLE="width: 10%; padding-right: 0; padding-left: 0"><FONT STYLE="font-size: 10pt">99.1</FONT></TD>
    <TD STYLE="width: 90%; padding-right: 0; padding-left: 0"><FONT STYLE="font-size: 10pt">Press Release dated February 15, 2012</FONT></TD></TR>
</TABLE>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 2in; text-align: center; text-indent: -2in"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 2in; text-align: center; text-indent: -2in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 2in; text-align: center; text-indent: -2in">SIGNATURES&nbsp;</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 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 15th day of February, 2012.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 2in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0; padding-left: 0">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 0; padding-left: 0">ACORN ENERGY, INC.</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0; padding-left: 0; width: 50%">&nbsp;</TD>
    <TD STYLE="padding-right: 0; padding-left: 0; width: 7%">&nbsp;</TD>
    <TD STYLE="padding-right: 0; padding-left: 0; width: 43%">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0; padding-left: 0">&nbsp;</TD>
    <TD STYLE="padding-right: 0; padding-left: 0">By:</TD>
    <TD STYLE="padding-right: 0; padding-left: 0; text-decoration: underline">/s/&nbsp; Heather K. Mallard</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0; padding-left: 0">&nbsp;</TD>
    <TD STYLE="padding-right: 0; padding-left: 0">Name:&nbsp;</TD>
    <TD STYLE="padding-right: 0; padding-left: 0">Heather K. Mallard</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0; padding-left: 0">&nbsp;</TD>
    <TD STYLE="padding-right: 0; padding-left: 0">Title:&nbsp; &nbsp;</TD>
    <TD STYLE="padding-right: 0; padding-left: 0">Vice President, General Counsel &amp; Secretary</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

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

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[{"type": "8-K", "sequence": "1", "filename": "v302920_8k.htm", "description": "8-K", "secsgml_size_bytes": 15947}]
{"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": "12616651"}, "business-address": {"street1": "4 WEST ROCKLAND ROAD", "city": "MONTCHANIN", "state": "DE", "zip": "19710", "phone": "3026561708"}, "mail-address": {"street1": "4 WEST ROCKLAND ROAD", "city": "MONTCHANIN", "state": "DE", "zip": "19710"}, "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)
February 15, 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.)
4 West Rockland Road, Montchanin, Delaware
19710
(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))
Section 1 – Registrant's Business
and Operations
Item 1.01 Entry into a Material Definitive
Agreement.
Section 2 – Financial Information
Item 2.01  Completion of Acquisition or Disposition
of Asset
s
On February 15, 2012, we entered into a definitive
agreement pursuant to which we acquired, through our XYZ Holdings, Inc. wholly-owned Georgia subsidiary ("Holdings"),
all of the issued and outstanding limited liability company membership interests (the "Interests") in OmniMetrix, LLC,
a Georgia limited liability company ("OmniMetrix").  OmniMetrix is in the business of designing, manufacturing,
marketing and selling (i) wireless remote systems that monitor standby power generation, backup power generators, remote powered
equipment, cellular towers, emergency towered communications and remote tower sites, (ii) wireless remote systems that monitor
landfill gas, and (iii) cathodic protection products to monitor pipeline integrity.
Holdings purchased the Interests in OmniMetrix
from its three individual holders (the "Sellers") in consideration for an aggregate cash payment of $8,500,000, subject
to certain adjustments as provided in the definitive agreement.  The purchase price proceeds will be used first to discharge
approximately $2,769,000 of indebtedness in the aggregate owed by OmniMetrix to the Sellers and an affiliate (including salaries,
rent, royalties and notes payable), with the balance, net of transaction expenses, paid to the Sellers pro rata according to their
respective percentage ownership of the Interests. A portion of the purchase price was placed in escrow to secure the Sellers'
indemnification obligations under the agreement, with the balance to be released 18 months after the date of closing.  We
have guaranteed Holdings' performance of its indemnity obligations to the Sellers under the agreement.
Section 7 – Regulation FD
Item 7.01 Regulation FD Disclosure.
On February 15, 2012, we issued a press release
announcing our execution and closing of an agreement to acquire OmniMetrix. The press release is filed as Exhibit 99.1 hereto.
Section 9 – Financial Statements and Exhibits
Item 9.01  Financial Statements and Exhibits
(d)	Exhibits
99.1
Press Release dated February 15, 2012
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 15th day of February, 2012.
ACORN ENERGY, INC.
By:
/s/  Heather K. Mallard
Name:
Heather K. Mallard
Title:
Vice President, General Counsel & Secretary