Current system

See: Generation for more details of the current generation systems

Chignik lake -- Unnamed Creek 1

Present value of capital cost: $7,213,329

Lifetime energy cost savings: $2,191,412

Net lifetime savings: $-5,021,917

Benefit-cost ratio: 0.3

Proposed nameplate capacity: 370 kW

Expected yearly generation: 1,964,649 kWh/year

Phase: Reconnaissance

Upfront capital cost: $7,343,762

Estimated hydro penetration level: 530.08%

source: link

Chignik lake (cucumber creek)

Present value of capital cost: $20,529,243

Lifetime energy cost savings: $854,623

Net lifetime savings: $-19,674,620

Benefit-cost ratio: 0.0

Proposed nameplate capacity: 1,340 kW

Expected yearly generation: 7,115,215 kWh/year

Phase: Reconnaissance

Upfront capital cost: $20,900,457

Estimated hydro penetration level: 1,919.73%

source: link

Chignik lake (unnamed stream, site #6) -- Unnamed Creek 2

Present value of capital cost: $7,428,436

Lifetime energy cost savings: $1,831,029

Net lifetime savings: $-5,597,407

Benefit-cost ratio: 0.2

Proposed nameplate capacity: 240 kW

Expected yearly generation: 1,274,367 kWh/year

Phase: Reconnaissance

Upfront capital cost: $7,562,759

Estimated hydro penetration level: 343.83%

source: link

This component calculates the potential cost savings through changes in the amount of diesel fuel used for electricity generation from the installation of new hydropower infrastructure. Requires that at least a reconnaissance-level hydropower study has been completed for the community.