Overview of the U.S. Electrical System & the Bonneville Power
Administration (BPA)
-2007-
US Electrical System Organization
US Electrical System
Actual System Interconnections
Western US System
McNary
Dworshak
Anderson Ranch
Palisades
Ice Harbor
GrandCoulee
Revelstroke
LowerMonumental
LittleGoose
John Day
The Dalles
Minidoka
Lower Granite
Chandler
Rosa
Albeni Falls
BlackCanyon
Boise Diversion
Mica
Keenleyside
Duncan
BPA Service AreaColumbia Basin
Federal Dams:
Canadian Dams
Montana
Wyom
ingUtahNevada
California
Oregon Idaho
WashingtonNon-Federal Dams
Chief Joseph
Priest Rapids
Wanapum
Rock Island
Rocky Reach
Wells
Hells CanyonOxbow
Brownlee
Swan Falls
C J Strike
American Falls
Bliss
Upper SalmonFalls
BPA Transmission Grid
Libby Hungry Horse
Bonneville
Green Springs
Lost Creek
Hills Creek
Lookout Point
CougarDexter
Green PeterFoster Detroit
Big Cliff
Corps of EngineersBureau of Reclamation
CanadaU.S.A.
Columbia River Basin & BPA Service Area
• WHAT IS BPA? Self-financed federal
agency within Department of Energy
Markets power at cost from 31 federal dams and 1 nuclear plant – 35% of electricity used in Pacific Northwest
Markets transmission services – owns 75% (15,440 miles) of the high-voltage lines in Pacific Northwest
Protects, mitigates & enhances fish & wildlife in the Columbia River Basin
300,000 square mile service area – includes WA, OR, ID, & Western MT
$3.3 billion in annual revenues
BPA: General Information and Structure (2007)
BPA established 1937
Pacific Northwest population 11,950,509
Transmission line Circuit miles) 15,442
BPA-owned substations 237
Employees (staff years) 2,923
BPA is organized into three business units:Power Business Services: Approximately 250 employees. BPA markets the power generated at 31 Federal dams, one non-Federal nuclear plant at Hanford, Washington, and some non-Federal power plants, such as wind projects.
Transmission Business Services: Approximately 1,600 employees. BPA owns and operates 75 percent of the Pacific Northwest’s high-voltage electric grid. The grid includes more that 15,000 circuit-miles of transmission line and 235 substations. It carries a peak load of about 30,000 megawatts of electricity and produces about $700 million a year in transmission revenues.
Corporate: Approximately 1,100 employees. Includes Finance; Environment, Fish and Wildlife; Energy Efficiency; Customer Support Services; General Counsel; Planning and Governance; and Risk Management.
BPA History
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