Southeast Alaska Power Agency

  • Company Industry
    Energy / Utilities / Oil & Gas

About Us...

The Southeast Alaska Power Agency (SEAPA) is a regional Joint Action Agency of the State of Alaska that owns the Swan Lake and Tyee Lake hydroelectric facilities, 14 miles of submarine cables, and 175 miles of overhead transmission lines serving the municipalities of Ketchikan, Wrangell, and Petersburg, Alaska. We provide approximately 62% of the total power consumed by our three member utility communities. SEAPA also provides a broad range of important ancillary services that help ensure safe and reliable delivery of power over our interconnected system.

SEAPA ancillary services funded through the wholesale power rate:

  • Power scheduling that ensures coordinated deliveries
  • Transmission line operations and maintenance
  • Power plant facilities operations and maintenance
  • Renewal and replacement projects that keep the system up-to-date
  • Reservoir management that maximizes use of existing hydro resources
  • System supervisory control and data acquisition (SCADA)
  • Mesh network communications linking all facilities
  • Power line right-of-way clearing to maintain reliability
  • Regional planning and project feasibility engineering
  • Federal Energy Regulatory Commission (FERC) licensing and compliance
  • Load growth analysis and forecasting
  • Regional hydrosite evaluation to identify the highest value projects for development
  • Risk management
  • Power project financing

SEAPA is uniquely structured to shelter our three member utilities from the significant risks associated with owning, operating, maintaining, developing, and financing capital intensive power infrastructure. The municipalities of Ketchikan, Petersburg, and Wrangell greatly benefit from the stable low-cost wholesale power that SEAPA delivers to their front door for subsequent distribution to the end user.

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Southeast Alaska Power Agency

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