Current system

See: Generation for more details of the current generation systems

Chignik lake -- Unnamed Creek 1

Present value of capital cost: $7,213,329

Lifetime energy cost savings: $2,191,412

Net lifetime savings: $-5,021,917

Benefit-cost ratio: 0.3

Proposed nameplate capacity: 370 kW

Expected yearly generation: 1,964,649 kWh/year

Phase: Reconnaissance

Upfront capital cost: $7,343,762

Estimated hydro penetration level: 530.08%

source: link

Chignik lake (cucumber creek)

Present value of capital cost: $20,529,243

Lifetime energy cost savings: $854,623

Net lifetime savings: $-19,674,620

Benefit-cost ratio: 0.0

Proposed nameplate capacity: 1,340 kW

Expected yearly generation: 7,115,215 kWh/year

Phase: Reconnaissance

Upfront capital cost: $20,900,457

Estimated hydro penetration level: 1,919.73%

source: link

Chignik lake (unnamed stream, site #6) -- Unnamed Creek 2

Present value of capital cost: $7,428,436

Lifetime energy cost savings: $1,831,029

Net lifetime savings: $-5,597,407

Benefit-cost ratio: 0.2

Proposed nameplate capacity: 240 kW

Expected yearly generation: 1,274,367 kWh/year

Phase: Reconnaissance

Upfront capital cost: $7,562,759

Estimated hydro penetration level: 343.83%

source: link

Chignik lagoon (through creek)

Present value of capital cost: $14,727,388

Lifetime energy cost savings: $1,296,699

Net lifetime savings: $-13,430,689

Benefit-cost ratio: 0.1

Proposed nameplate capacity: 620 kW

Expected yearly generation: 3,292,114 kWh/year

Phase: Reconnaissance

Upfront capital cost: $14,993,692

Estimated hydro penetration level: 512.14%

source: link

Chignik hydroelectric dam project -- Packers Creek

Present value of capital cost: $2,471,800

Lifetime energy cost savings: $3,466,132

Net lifetime savings: $994,332

Benefit-cost ratio: 1.4

Proposed nameplate capacity: 170 kW

Expected yearly generation: 900,000 kWh/year

Phase: Design

Upfront capital cost: $2,516,496

Estimated hydro penetration level: 140.01%

source: link

Chignik (mud bay lake creek)

Present value of capital cost: $30,931,267

Lifetime energy cost savings: $-3,481,547

Net lifetime savings: $-34,412,815

Benefit-cost ratio: -0.1

Proposed nameplate capacity: 500 kW

Expected yearly generation: 2,400,000 kWh/year

Phase: Feasibility

Upfront capital cost: $31,490,574

Estimated hydro penetration level: 373.36%

source: link

Chignik lagoon (crazy creek)

Present value of capital cost: $3,972,458

Lifetime energy cost savings: $3,013,509

Net lifetime savings: $-958,949

Benefit-cost ratio: 0.8

Proposed nameplate capacity: 130 kW

Expected yearly generation: 690,282 kWh/year

Phase: Reconnaissance

Upfront capital cost: $4,044,289

Estimated hydro penetration level: 107.38%

source: link

Chignik bay (negro creek)

Present value of capital cost: $8,348,788

Lifetime energy cost savings: $4,679,780

Net lifetime savings: $-3,669,008

Benefit-cost ratio: 0.6

Proposed nameplate capacity: 360 kW

Expected yearly generation: 1,911,550 kWh/year

Phase: Reconnaissance

Upfront capital cost: $8,499,752

Estimated hydro penetration level: 212.73%

source: link

Chignik (indian creek)

Present value of capital cost: $18,915,555

Lifetime energy cost savings: $3,103,574

Net lifetime savings: $-15,811,982

Benefit-cost ratio: 0.2

Proposed nameplate capacity: 964 kW

Expected yearly generation: 5,118,000 kWh/year

Phase: Feasibility

Upfront capital cost: $19,257,591

Estimated hydro penetration level: 569.57%

source: link

Chignik (snowbird creek, 1)

Present value of capital cost: $1,097,600

Lifetime energy cost savings: $149,095

Net lifetime savings: $-948,505

Benefit-cost ratio: 0.1

Proposed nameplate capacity: 15 kW

Expected yearly generation: 79,648 kWh/year

Phase: Reconnaissance

Upfront capital cost: $1,117,447

Estimated hydro penetration level: 8.86%

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.