Current system
See: Generation for more details of the current generation systems
Suryan lake (chip creek)
Present value of capital cost: $5,050,360
Lifetime energy cost savings: $588,494
Net lifetime savings: $-4,461,866
Benefit-cost ratio: 0.1
Proposed nameplate capacity: 75 kW
Expected yearly generation: 278,571 kWh/year
Phase: Reconnaissance
Upfront capital cost: $5,141,682
Estimated hydro penetration level: 108.35%
source: link
Akhiok (unnamed stream, site #2) -- Unnamed Creek, 2
Present value of capital cost: $7,458,268
Lifetime energy cost savings: $167,942
Net lifetime savings: $-7,290,325
Benefit-cost ratio: 0.0
Proposed nameplate capacity: 230 kW
Expected yearly generation: 854,286 kWh/year
Phase: Reconnaissance
Upfront capital cost: $7,593,130
Estimated hydro penetration level: 332.26%
source: link
Akhiok (unnamed stream, site #1) -- Unnamed Creek, 1
Present value of capital cost: $10,589,924
Lifetime energy cost savings: $-529,185
Net lifetime savings: $-11,119,109
Benefit-cost ratio: -0.0
Proposed nameplate capacity: 330 kW
Expected yearly generation: 1,225,714 kWh/year
Phase: Reconnaissance
Upfront capital cost: $10,781,414
Estimated hydro penetration level: 476.73%
source: link
Fraser lake (dog salmon creek)
Present value of capital cost: $197,291,718
Lifetime energy cost savings: $-48,814,765
Net lifetime savings: $-246,106,482
Benefit-cost ratio: -0.2
Proposed nameplate capacity: 7,000 kW
Expected yearly generation: 32,000,000 kWh/year
Phase: Reconnaissance
Upfront capital cost: $200,859,193
Estimated hydro penetration level: 12,445.99%
source: link
Akhiok (kempff bay creek)
Present value of capital cost: $6,431,797
Lifetime energy cost savings: $307,419
Net lifetime savings: $-6,124,377
Benefit-cost ratio: 0.0
Proposed nameplate capacity: 137 kW
Expected yearly generation: 508,857 kWh/year
Phase: Reconnaissance
Upfront capital cost: $6,548,098
Estimated hydro penetration level: 197.91%
source: link