Current system
See: Generation for more details of the current generation systems
Ophir (o-4, not identified) -- Unnamed Creek, O-4
Present value of capital cost: $93,202,053
Lifetime energy cost savings: $-18,817,014
Net lifetime savings: $-112,019,067
Benefit-cost ratio: -0.2
Proposed nameplate capacity: 880 kW
Expected yearly generation: 4,608,000 kWh/year
Phase: Reconnaissance
Upfront capital cost: $94,887,355
Estimated hydro penetration level: 2,519.89%
source: link
Takotna (ganes creek)
Present value of capital cost: $303,588,287
Lifetime energy cost savings: $-76,628,377
Net lifetime savings: $-380,216,664
Benefit-cost ratio: -0.3
Proposed nameplate capacity: 1,200 kW
Expected yearly generation: 2,838,000 kWh/year
Phase: Reconnaissance
Upfront capital cost: $309,077,842
Estimated hydro penetration level: 1,551.96%
source: link
Takotna (gold creek)
Present value of capital cost: $886,731
Lifetime energy cost savings: $754,907
Net lifetime savings: $-131,825
Benefit-cost ratio: 0.9
Proposed nameplate capacity: 20 kW
Expected yearly generation: 67,506 kWh/year
Phase: Feasibility
Upfront capital cost: $902,765
Estimated hydro penetration level: 36.92%
source: link