regulates four investor owned electric utilities
that operate in Wyoming. In addition, the Commission
also has regulatory authority over eighteen retail
rural electric cooperatives that provide electric
service within the state.
The PSC has the
following primary duties regarding the regulation of
cases and approving rates and tariffs for the
analyzing and hearing electric utility
applications to pass-on wholesale cost increases
in the cost of electricity
integrated resource plans for large electric
certificates of public convenience and necessity
for large facilities, including power plants and
some transmission lines
accounting and depreciation procedures for
mergers, acquisitions and transactions between
issuance of securities and creation of liens by
consumer complaints regarding electric service
Electric Integrated Resource
Plan (IRP) Guidelines
2011 Interest Rate Set
The interest rate
provided for in Section 241(c) and Section
504(f)(iii) was set November 23, 2010, in
Docket No. 90090-5-XO-10.
The interest rate is 1.80% per annum for the period
of January 1 through December 31, 2011. NOTE: The
interest rate provided for in Section 241 is
incorporated by reference in Rule Section 250,
Electric, Gas, and Water Public Utility Commodity
Balancing Account as a Basis for Periodic Pass-On
Filings, when a utility charges or collects interest
on any over- or under-collected balance in an
authorized Commodity Balancing Account.
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Required Filings Cover Sheet