Current system
See: Generation for more details of the current generation systems
Elfin cove (joe's creek)
Present value of capital cost: $1,376,584
Lifetime energy cost savings: $867,563
Net lifetime savings: $-509,021
Benefit-cost ratio: 0.6
Proposed nameplate capacity: 50 kW
Expected yearly generation: 187,000 kWh/year
Phase: Reconnaissance
Upfront capital cost: $1,401,476
Estimated hydro penetration level: 59.32%
source: link
Elfin cove hydroelectric permitting -- Crooked Creek
Present value of capital cost: $nan
Lifetime energy cost savings: $nan
Net lifetime savings: $nan
Benefit-cost ratio: nan
Proposed nameplate capacity: 140 kW
Expected yearly generation: 266,300 kWh/year
Phase: Design
Upfront capital cost: $nan
Estimated hydro penetration level: 84.48%
source: link
Ernie's creek (elfin cove)
Present value of capital cost: $5,357,842
Lifetime energy cost savings: $4,154,258
Net lifetime savings: $-1,203,584
Benefit-cost ratio: 0.8
Proposed nameplate capacity: 22,974 kW
Expected yearly generation: 87,600,000 kWh/year
Phase: Reconnaissance
Upfront capital cost: $5,454,724
Estimated hydro penetration level: 27,788.35%
source: link
Crooked creek and jim's lake (elfin cove) -- Crooked Creek, Jim's Lake
Present value of capital cost: $4,423,270
Lifetime energy cost savings: $1,391,275
Net lifetime savings: $-3,031,995
Benefit-cost ratio: 0.3
Proposed nameplate capacity: 200 kW
Expected yearly generation: 716,000 kWh/year
Phase: Reconnaissance
Upfront capital cost: $4,503,253
Estimated hydro penetration level: 227.13%
source: link
Crooked creek (elfin cove)
Present value of capital cost: $3,284,563
Lifetime energy cost savings: $412,404
Net lifetime savings: $-2,872,159
Benefit-cost ratio: 0.1
Proposed nameplate capacity: 120 kW
Expected yearly generation: 196,000 kWh/year
Phase: Reconnaissance
Upfront capital cost: $3,343,955
Estimated hydro penetration level: 62.17%
source: link
Roy's creek (elfin cove)
Present value of capital cost: $3,990,086
Lifetime energy cost savings: $354,559
Net lifetime savings: $-3,635,527
Benefit-cost ratio: 0.1
Proposed nameplate capacity: 100 kW
Expected yearly generation: 216,000 kWh/year
Phase: Reconnaissance
Upfront capital cost: $4,062,235
Estimated hydro penetration level: 68.52%
source: link
Wood (wood lake)
Present value of capital cost: $42,274,694
Lifetime energy cost savings: $-7,325,680
Net lifetime savings: $-49,600,375
Benefit-cost ratio: -0.2
Proposed nameplate capacity: 1,300 kW
Expected yearly generation: 4,956,808 kWh/year
Phase: Reconnaissance
Upfront capital cost: $43,039,116
Estimated hydro penetration level: 1,572.39%
source: link
Elfin cove (margaret creek; 58.07', 136.20')
Present value of capital cost: $8,138,272
Lifetime energy cost savings: $326,157
Net lifetime savings: $-7,812,115
Benefit-cost ratio: 0.0
Proposed nameplate capacity: 310 kW
Expected yearly generation: 538,000 kWh/year
Phase: Reconnaissance
Upfront capital cost: $8,285,430
Estimated hydro penetration level: 170.66%
source: link