Iliamna-Newhalen- Nondalton Electric Cooperative

Contact Addresses

Tazimina Hydro-Electric Plant

Staff / Directors

I.N.N.E.C. Background

 

About The Project

In May 1996 after nearly fourteen years of planning, the Iliamna - Newhalen - Nondalton Electric Cooperative's (I.N.N.E.C.)Tazimina River Hydroelectric project was approved by the Federal Energy Regulatory Commission. Tazimina River is located about one mile north of Roadhouse Mountain and flows into Six Mile Lake, near the village of Nondalton. The hydroelectric plant will be producing power for the Cooroperative's three member communities.

Turbines and generators were ordered in November 1995. In May 1996 civil construction began by Wilder Construction of Anchorage. Their first job was to make a working, but efficient road for the transporting of materials to the building site. $ 700,000 was saved in making the road by using as little gravel a possible. The money saved went to other materials needed for the project.

Transporting material to the site had it's difficulties. The windy weather for shipments across Iliamna Lake delayed the schedule by a couple of weeks, but construction still continued through the summer, fall, and winter.

Nearly 40 thousand pounds of explosives were used to blast a trench alongside the Tazimina River and the vertical shaft beside the falls. The vertical shaft is 26 feet wide and 120 feet deep. Inside this shaft is a 5 foot wide pipe, that goes down the shaft and to the turbines which discharge water through a 230 foot tailrace tunnel to pour water back into the river at the base of the falls.


The picture to the left shows the Tazimina Falls before the hydro-electric project. Above is the falls during construction.


As of May 1997 construction work is nearing completion and technicians are testing the project. The whole project costs $ 11.6 million since 1988. I.N.N.E.C.received grants of 8.2 million from the state and federal governments and will borrow another 3.4 million dollars. Studies are underway to rivise the rate schedule nad to offer customers new options such as time - of - day rates.

This hydroelectric plant was built with awareness of the environment. I.N.N.E.C. made sure to limit the areas of land impact, used methods to control siltation of the river and located the project to avoid impact on fish. Also when the hydropower will be used, less diesel fuel will be consumed to generate electricity in the communities. As a result, there will be less chance of oil spills because less fuel will be shipped and stored. Hydroelectricity for the future of Iliamna, Newhalen, and Nondalton is something to look forward to.


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The Tazimina Diagram


The diagram above shows the finished project. Lettered depictions show the following: (A) water diversion sill, (B) intake, (C) underground pipes, (D) shaft,(E) powerhouse cavern, (F) tailracetunnel, and (G) access road.

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Contact Addresses

INN ELECTRIC COOPERATIVE, INC.

100 FIRE LANE

P.O. BOX 210

Iliamna, AK 99606-0210

Phone: (907) 571-1259

Fax: (907) 571-1444

e - mail : innec@arctic.net

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Directors

Tinny Hedlund.................................................................President

Wassie Balluta.................................................................Vice President

Edna Foss.........................................................................Secretary/Treasurer

Bob Arce

Gorge Hornbergar

Pauline Hobson

William Trefon Sr.


Staff

Brent Petrie.......................................................................General Manager

John Johnson...................................................................Chief Plant Operator

Andrew Wassilie..............................................................Assistant Plant Operator

Maria Anelon....................................................................Office Clerk

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I.N.N.E.C. Background

I.N.N. Electric Cooperative (I.N.N.E.C.) provides electric utility service to the villages of Iliamna, Newhalen, and Nondalton in the Lake Iliamna - Lake Clark area, approximately 180 miles southwest of Anchorage, Alaska. The cooperative also provides district heating services to the school in Newhalen and in 1997, to the school in Nondalton.

I.N.N.E.C. is a member of the Alaska Rural Electric Cooperative (ARECA), the National Rural Electric Cooperative Association (NRECA), and the Northwest Public Power Association (NWPPA).

The cooperative was incorporated in 1977 as Iliamna - Newhalen Electric Cooperative, Inc. and was reorganized in 1983 as I.N.N. Electric Cooperative, Inc. when the village of Nondalton was added to the service area. The system was first energized on October 5, 1982. Prior to 1982 most residents and commercial users had to rely on small gasoline and diesel generators for their power supplies which were noisy and involved considerable effort to maintain and to keep supplied with fuel.

Base rates are 45.53 cents per kilowatt hour, with assistance of up to 28.63 cents per kwh from the power cost equalization program for the first 700 kwh for certain eligible customers. The minimum monthly charge is $19.50. Studies are underway to restructure rates and offer new service options as the result of construction of the new Tazimina hydroelectric project that will be in service in 1997.

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Created By the Newhalen High School, Tatiana Askoak and Tamara Hedlund

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