**Exhibit        31.2**

|   | 1. | I                    have reviewed this report on Form 10-Q of Acorn Energy, Inc.; |
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|   | 2. | Based                      on my knowledge, this report does not contain any untrue statement                      of a                      material fact or omit to state a material fact necessary to                      make the                      statements made, in light of the circumstances under which                      such statements                      were made, not misleading with respect to the period covered                      by this                      report; |
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|   | 3. | Based                      on my knowledge, the financial statements, and other financial                      information                      included in this quarterly report, fairly present in all material                      respects                      the financial condition, results of operations and cash flows                      of the                      registrant as of, and for, the periods presented in this report; |
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|   | 4. | The                        registrant's other certifying officer and I are responsible                        for                        establishing and maintaining disclosure controls and procedures                        (as                        defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal                        control over financial reporting (as defined in Exchange                        Act Rules                        13a-15(f) and 15d-15(f)) for the registrant and we have: |
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| (a)   | Designed                such disclosure controls and procedures, or caused                such disclosure controls and procedures to be designed under our                supervision, to ensure that material information relating to the                registrant, including its consolidated subsidiaries, is made known                to us                by others within those entities, particularly during the period in                which                this quarterly report is being prepared; |
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| (b)   | Designed                such internal control over financial reporting, or caused such internal                control over financial reporting to be designed under our supervision,                to                provide reasonable assurance regarding the reliability of financial                reporting and the preparation of financial statements for external                purposes in accordance with generally accepted accounting principles; |
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| (c)   | Evaluated                the effectiveness of the registrant's disclosure controls and procedures                and presented in this report our conclusions about the effectiveness                of                the disclosure controls and procedures, as of the end of the period                covered by this report based on such evaluation;                and |
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| (d)   | Disclosed                in this report any change in the registrant’s internal control over                financial reporting that occurred during the registrant’s most recent                quarter (the registrant’s fourth fiscal quarter in case of an annual                report) that has materially affected, or is reasonably likely to                materially affect, the registrant’s internal control over financial                reporting; and |
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|   | 5. | The                  registrant's other certifying officer and I have disclosed, based                  on our                  most recent evaluation of internal control over financial reporting,                  to                  the registrant's auditors and to the audit committee of registrant's                  board                  of directors (or persons performing the equivalent function): |
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| (a)   | All                significant deficiencies and material weaknesses in the design or                operation of internal control over financial reporting which are                reasonably likely to which could adversely affect the registrant's                ability                to record, process, summarize and report financial information; and |
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| (b)   | Any                fraud, whether or not material, that involves management or other                employees who have a significant role in the registrant's internal                control                over financial reporting. |
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