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Boardman-to-Hemingway Transmission Project

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<strong>Boardman</strong>-<strong>to</strong>-<strong>Hemingway</strong><br />

<strong>Transmission</strong> <strong>Project</strong>


Idaho Power’s Energy Plan<br />

for the Future, a bienniallyproduced<br />

20-year integrated<br />

resource plan for meeting our electric<br />

service obligation, identifies energy<br />

produced in the Pacific Northwest<br />

as one component of the company’s<br />

energy portfolio. Requirements<br />

of Idaho Power’s wholesale<br />

transmission cus<strong>to</strong>mers are also<br />

increasing.<br />

The existing transmission system from<br />

southwest Idaho <strong>to</strong> the Pacific Northwest<br />

has been at full capacity during recent<br />

high-demand periods. <strong>Transmission</strong><br />

paths are key <strong>to</strong> utilities like Idaho<br />

Power for bringing electricity in<strong>to</strong> and<br />

through our service area.<br />

To meet the need for more<br />

transmission capacity, Idaho Power<br />

plans <strong>to</strong> build a 260-mile, 500-kV<br />

transmission line from northeast<br />

Oregon <strong>to</strong> southern Idaho.<br />

2008 2009 2010 2011 2012 2013 2014<br />

Permitting<br />

Engineering<br />

<strong>Project</strong> Timeline<br />

<strong>Boardman</strong>-<strong>to</strong>-<strong>Hemingway</strong><br />

The proposed line will connect the transmission station<br />

in the <strong>Boardman</strong>, Oregon area with the proposed<br />

<strong>Hemingway</strong> Station in southwest Idaho. An additional<br />

substation will be located northwest of Caldwell <strong>to</strong> improve<br />

performance of the long-distance transmission line.<br />

The proposed <strong>Boardman</strong>-<strong>to</strong>-<strong>Hemingway</strong> project,<br />

where possible, will use corridors identified in the<br />

federal document Programmatic Environmental Impact<br />

Statement, Designation of Energy Corridors on Federal<br />

Land in the eleven Western States. Corridors will be<br />

developed or modified based on studies of the area,<br />

comments from federal agencies and land owners,<br />

<strong>to</strong>pography, access, and other fac<strong>to</strong>rs.<br />

Construction<br />

In Service<br />

Environmental Review<br />

Idaho Power will conduct all necessary environmental<br />

analysis <strong>to</strong> comply with the National Environmental<br />

Policy Act (NEPA) and will work with the Bureau of<br />

Land Management (BLM) <strong>to</strong> create an environmental<br />

impact statement (EIS). The EIS is the basis for the<br />

BLM’s determination whether <strong>to</strong> issue right of way<br />

grants across federal lands. Additionally, coordination<br />

with other Federal and State environmental and<br />

permitting agencies will also be required.<br />

Idaho Power will also conduct public information<br />

meetings with various federal, state and local<br />

governmental agencies, local property owners and<br />

other interested parties as the project develops.


W ASHINGTON<br />

<strong>Boardman</strong><br />

I DAHO<br />

M ONTANA<br />

Proposed<br />

<strong>Transmission</strong><br />

230 kV<br />

345kV<br />

500 kV<br />

500 kV Double Circuit<br />

Additional Information<br />

Idaho Power 2006 IRP/Energy Plan for the Future<br />

http://www.idahopower.com/pdfs/energycenter/<br />

irp/2006/2006_IRP.pdf<br />

<strong>Hemingway</strong><br />

OREGON<br />

Sand Hollow<br />

Midpoint<br />

Cedar Hill<br />

Borah<br />

Populus<br />

WYOMING<br />

Jim Bridger<br />

Windstar<br />

Aeolus<br />

Idaho Power Treasure Valley Electrical Plan (TVEP)<br />

http://www.idahopower.com/pdfs/newsroom/<br />

projectNews/tvep/TVEP_final.pdf<br />

NEVADA<br />

UTAH<br />

Programmatic Environmental Impact Statement<br />

http://corridoreis.anl.gov/<br />

Electric Highways<br />

In order <strong>to</strong> bring electricity <strong>to</strong> its cus<strong>to</strong>mers, a utility<br />

such as Idaho Power needs <strong>to</strong> transport electrical<br />

power from traditional generating resources like<br />

hydro-electric dams or thermal power plants as well<br />

as other merchant facilities and renewable resources<br />

such as wind and geothermal across long distances.<br />

To do that, high voltage transmission lines are used,<br />

which would be the equivalent of a freeway system that<br />

moves vehicle traffic. Once the electricity arrives at a<br />

community it goes <strong>to</strong> a substation, where the voltage<br />

is stepped down—like an off-ramp from the freeway<br />

and slowing down for street traffic. From there it goes<br />

out on distribution lines—or feeders—<strong>to</strong> serve local<br />

businesses and homes.<br />

W A S H I N G T O N<br />

MONTANA<br />

<strong>Boardman</strong><br />

Townsend<br />

I DAHO<br />

OREGON<br />

Captain Jack<br />

C A L I F O R N I A<br />

<strong>Transmission</strong> Lines<br />

Existing<br />

230 kV<br />

345kV<br />

500 kV<br />

500 kV Double Circuit<br />

Sand Hollow<br />

<strong>Hemingway</strong><br />

WYOMIN G<br />

Midpoint<br />

Windstar<br />

Borah<br />

Populus<br />

Aeolus<br />

Cedar Hill<br />

Bridger<br />

N E VA D A<br />

Terminal<br />

Ely Energy Center<br />

Mona Proposed <strong>Transmission</strong> <strong>Project</strong>s<br />

Intermountain Power<br />

HEMINGWAY-BOARDMAN<br />

Sigurd<br />

M.S.T.I. (Mountain States <strong>Transmission</strong> Intertie)<br />

UTAH<br />

GATEWAY WEST<br />

GATEWAY CENTRAL<br />

Red Butte<br />

GATEWAY SOUTH<br />

Crystal<br />

SWIP NORTH<br />

The whole process can take electricity from very<br />

high voltages down <strong>to</strong> the 110 or 220 volts that most<br />

residents are familiar with. And it all happens in less<br />

than a second!<br />

CID#XXXXX/03-08<br />

© 2008 Idaho Power<br />

www.idahopower.com

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