enXco Service Corporation Signs O&M Agreement with PacifiCorp

Escondido, CA.—October 30, 2008—enXco Service Corporation (eSC)- an EDF Energies Nouvelles Company (Paris: EEN), has signed a multi-year Operations and Maintenance Service Agreement with PacifiCorp, a subsidiary of MidAmerican Energy Holdings Company, for six wind energy projects generating a total of 456 megawatts of electricity from renewable, emission-free wind.

enXco Service Corporation will begin operating and providing all necessary maintenance for the Leaning Juniper project in Oregon (100.5 MW) immediately. Services for the remaining five projects located in Wyoming, Glenrock (99 MW), Glenrock III (39 MW), Rolling Hills (99 MW), Seven Mile Hill (99 MW), and Seven Mile Hill II (19.5 MW), will begin in December of this year.

In addition to operation and maintenance services provided at the sites, 24/7 remote monitoring and fault resets of the 304 wind turbines will be provided from enXco Service Corp's Operations Control Center located in Pipestone, Minnesota.

"We are very pleased to be selected by PacifiCorp to provide O&M services to these valuable renewable energy assets" stated Dave Luck, director of business development for enXco Service Corp. "These projects expand the important business relationship enXco Service Corp has with PacifiCorp and other MidAmerican Energy Holdings Company subsidiaries."

About enXco, an EDF EN Company

enXco, Inc. (www.enxco.com) an EDF-EN Company (www.edf-energies.nouvelles.com) develops, constructs, operates and manages renewable energy projects throughout the United States. For more than two decades, we have been a leader in wind-energy focusing on large-scale wind projects. Today enXco's portfolio includes solar and biomass technologies, in an effort to help drive our nation's transition to a sustainable energy economy. enXco is a significant owner and developer of wind-energy installations in the United States, and is the largest third-party operations & maintenance provider for wind farms in North America.

About PacifiCorp

PacifiCorp, a subsidiary of MidAmerican Energy Holdings Company, is one of the lowest-cost electricity producers in the United States, providing approximately 1.7 million customers in the West with reliable, efficient energy. The company works to meet growing energy demand while protecting and enhancing the environment. PacifiCorp has a total generating capability of approximately 10,000 megawatts from coal, hydroelectric, natural gas-fired combustion turbines and wind-powered and geothermal generating plants as well as electric transmission and distribution assets. PacifiCorp operates as Pacific Power in Oregon, Washington and California, and as Rocky Mountain Power in Utah, Wyoming and Idaho. PacifiCorp's electric generation, commercial and energy trading, and coal-mining functions are operated as PacifiCorp Energy.

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