**Exhibit      31.1**

**SECTION      302 CERTIFICATION**

| 1.   | I              have reviewed this Annual Report on Form 10-K for the year ended December              31, 2006 of Green Mountain Power              Corporation; |
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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 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              have: |
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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 the audit committee of the registrant's              board of directors (or persons performing the equivalent              functions): |
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| Date:                March 12, 2007                                                        |
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| /s/Christopher                L. Dutton                                                    |
| Christopher                L. Dutton, Chief Executive Officer and                President |