Current system
See: Generation for more details of the current generation systems
Chenega bay hydroelectric construction -- Anderson Creek
Present value of capital cost: $2,012,819
Lifetime energy cost savings: $391,743
Net lifetime savings: $-1,621,076
Benefit-cost ratio: 0.2
Proposed nameplate capacity: 64 kW
Expected yearly generation: 123,000 kWh/year
Phase: Construction
Upfront capital cost: $2,049,215
Estimated hydro penetration level: 49.61%
source: link
South lake creek (chenega bay)
Present value of capital cost: $4,768,114
Lifetime energy cost savings: $1,561,081
Net lifetime savings: $-3,207,033
Benefit-cost ratio: 0.3
Proposed nameplate capacity: 98 kW
Expected yearly generation: 444,354 kWh/year
Phase: Reconnaissance
Upfront capital cost: $4,854,332
Estimated hydro penetration level: 179.23%
source: link
Chenega bay -- Anderson Creek
Present value of capital cost: $1,711,822
Lifetime energy cost savings: $1,476,496
Net lifetime savings: $-235,327
Benefit-cost ratio: 0.9
Proposed nameplate capacity: 54 kW
Expected yearly generation: 244,848 kWh/year
Phase: Reconnaissance
Upfront capital cost: $1,742,776
Estimated hydro penetration level: 98.76%
source: link
Thumb bay (unnamed creek)
Present value of capital cost: $7,165,285
Lifetime energy cost savings: $-102,582
Net lifetime savings: $-7,267,868
Benefit-cost ratio: -0.0
Proposed nameplate capacity: 51 kW
Expected yearly generation: 231,245 kWh/year
Phase: Reconnaissance
Upfront capital cost: $7,294,850
Estimated hydro penetration level: 93.27%
source: link
New chenega (crab bay, chenega bay) -- unnamed creek, near Crab Bay
Present value of capital cost: $1,529,460
Lifetime energy cost savings: $980,658
Net lifetime savings: $-548,802
Benefit-cost ratio: 0.6
Proposed nameplate capacity: 39 kW
Expected yearly generation: 176,000 kWh/year
Phase: Feasibility
Upfront capital cost: $1,557,116
Estimated hydro penetration level: 70.99%
source: link
Hayden lake
Present value of capital cost: $3,198,080
Lifetime energy cost savings: $-144,958
Net lifetime savings: $-3,343,039
Benefit-cost ratio: -0.0
Proposed nameplate capacity: 20 kW
Expected yearly generation: 90,684 kWh/year
Phase: Reconnaissance
Upfront capital cost: $3,255,909
Estimated hydro penetration level: 36.58%
source: link