Current system
See: Generation for more details of the current generation systems
Chignik lagoon (through creek)
Present value of capital cost: $14,727,388
Lifetime energy cost savings: $1,296,699
Net lifetime savings: $-13,430,689
Benefit-cost ratio: 0.1
Proposed nameplate capacity: 620 kW
Expected yearly generation: 3,292,114 kWh/year
Phase: Reconnaissance
Upfront capital cost: $14,993,692
Estimated hydro penetration level: 512.14%
source: link
Chignik hydroelectric dam project -- Packers Creek
Present value of capital cost: $2,471,800
Lifetime energy cost savings: $3,466,132
Net lifetime savings: $994,332
Benefit-cost ratio: 1.4
Proposed nameplate capacity: 170 kW
Expected yearly generation: 900,000 kWh/year
Phase: Design
Upfront capital cost: $2,516,496
Estimated hydro penetration level: 140.01%
source: link
Chignik (mud bay lake creek)
Present value of capital cost: $30,931,267
Lifetime energy cost savings: $-3,481,547
Net lifetime savings: $-34,412,815
Benefit-cost ratio: -0.1
Proposed nameplate capacity: 500 kW
Expected yearly generation: 2,400,000 kWh/year
Phase: Feasibility
Upfront capital cost: $31,490,574
Estimated hydro penetration level: 373.36%
source: link
Chignik lagoon (crazy creek)
Present value of capital cost: $3,972,458
Lifetime energy cost savings: $3,013,509
Net lifetime savings: $-958,949
Benefit-cost ratio: 0.8
Proposed nameplate capacity: 130 kW
Expected yearly generation: 690,282 kWh/year
Phase: Reconnaissance
Upfront capital cost: $4,044,289
Estimated hydro penetration level: 107.38%
source: link