Exhibit 23.1

Consent  of  Independent  Registered  Public  Accounting  Firm
We  consent  to  the  incorporation  by  reference in Registration Statement No.
333-38722  on Form S-3 and Registration Nos. 333-39822 and 333-42356 on Form S-8
of  our  reports  dated  March  21, 2005, relating to the consolidated financial
statements  of  Green Mountain Power Corporation, and management's report on the
effectiveness  of  internal control over financial reporting (which expresses an
unqualified  opinion  on  management's  assessment and an adverse opinion on the
effectiveness of the Company's internal control over financial reporting because
of  a  material weakness), appearing in this Annual Report on Form 10-K of Green
Mountain  Power  Corporation  for  the  year  ended  December  31,  2004.


/s/DELOITTE  &  TOUCHE  LLP
Boston,  Massachusetts
March  21,  2005