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Press Release
December 1, 2005

Wind Turbines Now Generating Electricity for PSE Customers

Hopkins Ridge is Washington State’s First Wind Project Owned Solely by One Utility

Bellevue, WA - The winds that regularly sweep across southeast Washington's expansive wheat fields are now helping to illuminate the million-plus homes and businesses receiving electric service from Puget Sound Energy [utility subsidiary of Puget Energy (NYSE:PSD)].

The Evergreen State's largest utility today announced the completion of its Hopkins Ridge wind-power project, located about 285 miles southeast of Seattle, near Dayton. The $200 million power-generating facility makes PSE the only Northwest utility to solely own and operate a large wind farm. PSE expects to have a second wind farm operational in late 2006.
"This is a milestone for our customers and for our company," said Steve Reynolds, the utility's chairman, president, and CEO. "Hopkins Ridge marks the beginning of a new era for us, with a clean, cost-effective source of renewable power taking a prominent place in our mix of electricity supply."
The Hopkins Ridge Wind Project has 83 massive wind turbines, all standing 335 feet high from the ground to the vertical tip of their 262-foot-diameter, three-blade rotors. The turbine towers are spread across 11,000 acres of mostly privately owned range and farm land.
When all 83 turbines are running at peak capacity, they can generate 150 megawatts of electricity – enough energy on an average basis to supply about 50,000 homes. Last Saturday (Nov. 26) the Columbia County wind farm averaged 111 megawatts of power generation over a 24-hour period for PSE customers.
"It's now on to Kittitas County for our construction team, where we're building our second wind facility, the Wild Horse Wind Project," Reynolds said.
Wild Horse will be an even larger facility, with 127 wind turbines capable of generating up to 230 megawatts of power. The project will be built on the slopes of Whisky Dick Mountain, about 125 miles east of Seattle between Ellensburg and the Columbia River.
PSE's goal is to serve up to 10 percent of its customers' total electricity needs by 2013 from renewable resources. Once the utility's second wind project becomes operational, about 5 percent of PSE's power supply will be renewable.
Each Hopkins Ridge turbine has a generator and gearbox housed inside a 77-ton nacelle fixed atop a 220-foot-tall tower. The project's power output travels through 93 miles of underground cable to a substation, and then moves over a high-voltage Bonneville Power Administration line to PSE's power grid.
Puget Sound Energy built 18 miles of roads to service the towers. Eighteen workers will staff the Hopkins Ridge project and PSE's local office in Dayton.
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Puget Sound Energy
For more information contact:
Analyst Contact: 425-462-3808
Media Contact: 888-831-7250
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