Current system
See: Generation for more details of the current generation systems
Port frederick (unnamed stream) -- Unnamed Creek
Present value of capital cost: $2,277,490
Lifetime energy cost savings: $-539,417
Net lifetime savings: $-2,816,907
Benefit-cost ratio: -0.2
Proposed nameplate capacity: 3 kW
Expected yearly generation: 11,439 kWh/year
Phase: Reconnaissance
Upfront capital cost: $2,318,672
Estimated hydro penetration level: 0.24%
source: link
Humpback creek (chichagof island)
Present value of capital cost: $4,742,891
Lifetime energy cost savings: $1,723,096
Net lifetime savings: $-3,019,795
Benefit-cost ratio: 0.4
Proposed nameplate capacity: 120 kW
Expected yearly generation: 457,551 kWh/year
Phase: Reconnaissance
Upfront capital cost: $4,828,653
Estimated hydro penetration level: 9.70%
source: link
Steve kane creek
Present value of capital cost: $944,924
Lifetime energy cost savings: $495,744
Net lifetime savings: $-449,180
Benefit-cost ratio: 0.5
Proposed nameplate capacity: 30 kW
Expected yearly generation: 114,388 kWh/year
Phase: Reconnaissance
Upfront capital cost: $962,010
Estimated hydro penetration level: 2.42%
source: link
Shotter creek
Present value of capital cost: $1,255,495
Lifetime energy cost savings: $411,949
Net lifetime savings: $-843,546
Benefit-cost ratio: 0.3
Proposed nameplate capacity: 30 kW
Expected yearly generation: 114,388 kWh/year
Phase: Reconnaissance
Upfront capital cost: $1,278,197
Estimated hydro penetration level: 2.42%
source: link