Current system

See: Generation for more details of the current generation systems

Loud creek hydro_akutan

Present value of capital cost: $9,498,918

Lifetime energy cost savings: $-497,200

Net lifetime savings: $-9,996,118

Benefit-cost ratio: -0.1

Proposed nameplate capacity: 350 kW

Expected yearly generation: 1,548,100 kWh/year

Phase: Feasibility

Upfront capital cost: $9,670,680

Estimated hydro penetration level: 538.82%

source: link

Akutan (north creek)

Present value of capital cost: $4,082,755

Lifetime energy cost savings: $789,877

Net lifetime savings: $-3,292,878

Benefit-cost ratio: 0.2

Proposed nameplate capacity: 126 kW

Expected yearly generation: 1,088,000 kWh/year

Phase: Feasibility

Upfront capital cost: $4,156,581

Estimated hydro penetration level: 378.68%

source: link

Akutan (unnamed stream, site #1) -- Unnamed Creek, 1

Present value of capital cost: $25,755,284

Lifetime energy cost savings: $-2,336,847

Net lifetime savings: $-28,092,131

Benefit-cost ratio: -0.1

Proposed nameplate capacity: 1,500 kW

Expected yearly generation: 8,271,903 kWh/year

Phase: Reconnaissance

Upfront capital cost: $26,220,997

Estimated hydro penetration level: 2,879.05%

source: link

Akutan (unnamed stream, site #2) -- Unnamed Creek, 2

Present value of capital cost: $2,354,921

Lifetime energy cost savings: $988,118

Net lifetime savings: $-1,366,803

Benefit-cost ratio: 0.4

Proposed nameplate capacity: 69 kW

Expected yearly generation: 380,508 kWh/year

Phase: Reconnaissance

Upfront capital cost: $2,397,503

Estimated hydro penetration level: 132.44%

source: link

Loud creek (akutan)

Present value of capital cost: $21,734,336

Lifetime energy cost savings: $-3,955,683

Net lifetime savings: $-25,690,019

Benefit-cost ratio: -0.2

Proposed nameplate capacity: 350 kW

Expected yearly generation: 1,132,861 kWh/year

Phase: Feasibility

Upfront capital cost: $22,127,342

Estimated hydro penetration level: 394.29%

source: link

This component calculates the potential cost savings through changes in the amount of diesel fuel used for electricity generation from the installation of new hydropower infrastructure. Requires that at least a reconnaissance-level hydropower study has been completed for the community.