Current system
See: Generation for more details of the current generation systems
Grayling (grayling creek)
Present value of capital cost: $20,953,780
Lifetime energy cost savings: $341,367
Net lifetime savings: $-20,612,414
Benefit-cost ratio: 0.0
Proposed nameplate capacity: 200 kW
Expected yearly generation: 628,994 kWh/year
Phase: Reconnaissance
Upfront capital cost: $21,332,672
Estimated hydro penetration level: 103.23%
source: link
Grayling (creek nw of town) -- Unnamed Creek
Present value of capital cost: $13,497,268
Lifetime energy cost savings: $2,553,409
Net lifetime savings: $-10,943,859
Benefit-cost ratio: 0.2
Proposed nameplate capacity: 126 kW
Expected yearly generation: 650,000 kWh/year
Phase: Reconnaissance
Upfront capital cost: $13,741,328
Estimated hydro penetration level: 106.67%
source: link
Grayling (n. fork grayling creek) -- Grayling Creek, North Fork
Present value of capital cost: $10,595,872
Lifetime energy cost savings: $2,902,002
Net lifetime savings: $-7,693,869
Benefit-cost ratio: 0.3
Proposed nameplate capacity: 230 kW
Expected yearly generation: 604,440 kWh/year
Phase: Reconnaissance
Upfront capital cost: $10,787,469
Estimated hydro penetration level: 99.20%
source: link