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
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
Chignik bay (negro creek)
Present value of capital cost: $8,348,788
Lifetime energy cost savings: $4,679,780
Net lifetime savings: $-3,669,008
Benefit-cost ratio: 0.6
Proposed nameplate capacity: 360 kW
Expected yearly generation: 1,911,550 kWh/year
Phase: Reconnaissance
Upfront capital cost: $8,499,752
Estimated hydro penetration level: 212.73%
source: link
Chignik (indian creek)
Present value of capital cost: $18,915,555
Lifetime energy cost savings: $3,103,574
Net lifetime savings: $-15,811,982
Benefit-cost ratio: 0.2
Proposed nameplate capacity: 964 kW
Expected yearly generation: 5,118,000 kWh/year
Phase: Feasibility
Upfront capital cost: $19,257,591
Estimated hydro penetration level: 569.57%
source: link
Chignik (snowbird creek, 1)
Present value of capital cost: $1,097,600
Lifetime energy cost savings: $149,095
Net lifetime savings: $-948,505
Benefit-cost ratio: 0.1
Proposed nameplate capacity: 15 kW
Expected yearly generation: 79,648 kWh/year
Phase: Reconnaissance
Upfront capital cost: $1,117,447
Estimated hydro penetration level: 8.86%
source: link