MidAmerican Wind Announces Completion of 300-Megawatt Pinyon Pines Wind I and II Projects

  MidAmerican Wind Announces Completion of 300-Megawatt Pinyon Pines Wind I
  and II Projects

Business Wire

DES MOINES, Iowa -- December 28, 2012

Today, MidAmerican Wind, a subsidiary of MidAmerican Renewables, announced
completion of its 168-megawatt Pinyon Pines Wind I and 132-megawatt Pinyon
Pines Wind II projects, formerly known as Alta Wind VII and Alta Wind IX.

The projects consist of a total of 100 Vestas 3-megawatt V90 wind turbines and
are located near Tehachapi, Calif.

“The completion of the Pinyon Pines Wind I and Pinyon Pines Wind II projects
bring MidAmerican Wind’s renewable energy portfolio to 381 megawatts,” said
Tom Budler, president of MidAmerican Wind. “We are pleased to have met our
timeline for building the two projects and placing them in-service before
year-end 2012.”

Southern California Edison will purchase electricity from each of the projects
pursuant to the terms of long-term power purchase agreements. The projects are
interconnected to Southern California Edison’s Tehachapi Renewable
Transmission Project.

With the addition of the two projects, MidAmerican Renewables’ portfolio
includes more than 1,250 megawatts of owned renewable energy assets in
operation or under construction.

The Pinyon Pines Wind I and Pinyon Pines Wind II projects are part of
MidAmerican Wind’s portfolio, which also includes the 81-megawatt Bishop Hill
II wind project that was placed in-service earlier this year.

MidAmerican Renewables
MidAmerican Renewables is a subsidiary of MidAmerican Energy Holdings Company,
a global energy provider. MidAmerican Renewables owns and operates wind,
geothermal, solar and hydro projects in the unregulated renewables market.
MidAmerican Renewables is headquartered in Des Moines, Iowa, and has offices
in Phoenix, Ariz., and Calipatria, Calif. Information about MidAmerican
Renewables is available on the company’s website and its Twitter, Facebook and
YouTube pages, which can be accessed via www.midamericanrenewablesllc.com.

MidAmerican Energy Holdings Company
MidAmerican Energy Holdings Company, based in Des Moines, Iowa, is a global
provider of energy services. Through its energy-related businesses,
MidAmerican provides electric and natural gas service to more than 6.9 million
customers worldwide. These businesses are Pacific Power, Rocky Mountain Power
and PacifiCorp Energy, comprising PacifiCorp; MidAmerican Energy Company;
Northern Powergrid Holdings Company; Northern Natural Gas Company; Kern River
Gas Transmission Company; MidAmerican Renewables; and CalEnergy Philippines.
Information about MidAmerican is available at www.midamerican.com.


MidAmerican Renewables
Ann Thelen, 515-281-2785
Director, Communications and Media Relations
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