Tunnel Business Magazine

APR 2018

TBM: Tunnel Business Magazine is the market leader for North America. TBM is written for leading professionals in all aspects of tunneling and covers project stories, design elements, contracting strategies, legal issues, new technology and more.

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TUNNELINGONLINE.COM F E A T U R E S T O RY 4 0 TBM: TUNNEL BUSINESS MAGAZINE // APRIL 2018 POWER PLAY T he Kodiak Electric Association Inc. (KEA) is the power provider for Kodiak, Alaska, located on Kodiak Island some 250 miles from Anchorage and accessible only by sea or by air. So naturally, the KEA Board of Direc- tors' vision is to maintain 98 percent of kilowatt-hour sales with cost-effective renewable power solutions. Since 2014, KEA has had near-100 percent renewable port- folio generated from the Terror Lake Hydroelectric Facility and enerating green power from local sources has also kept the cooperative's electric rates stable while eliminating fossil-fuel emissions by not running diesel generators. In an effort to increase its power supply, KEA is building the Upper Hidden Basin Diversion project. This project will increase the amount of annual hydropower production gen- erated at the existing Terror Lake Hydroelectric Facility by an additional 33 million kilowatt-hours, which will add about 25 percent more energy to the facility. The additional hydropow- Drill-and-Blast Tunnel Helps KEA Increase Its Electric Generating Capacity

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