Current system
See: Generation for more details of the current generation systems
Cathedral falls (kake)
Present value of capital cost: $20,297,450
Lifetime energy cost savings: $14,589,970
Net lifetime savings: $-5,707,480
Benefit-cost ratio: 0.7
Proposed nameplate capacity: 865 kW
Expected yearly generation: 3,300,000 kWh/year
Phase: Reconnaissance
Upfront capital cost: $20,664,474
Estimated hydro penetration level: 139.89%
source: link
Gunnuk creek hydro rehabilitation - ipec kake
Present value of capital cost: $5,692,075
Lifetime energy cost savings: $8,227,930
Net lifetime savings: $2,535,855
Benefit-cost ratio: 1.4
Proposed nameplate capacity: 500 kW
Expected yearly generation: 1,600,000 kWh/year
Phase: Design
Upfront capital cost: $5,795,000
Estimated hydro penetration level: 67.83%
source: link
Goemere creek (washington bay, unnamed stream)
Present value of capital cost: $13,598,326
Lifetime energy cost savings: $-1,951,793
Net lifetime savings: $-15,550,118
Benefit-cost ratio: -0.1
Proposed nameplate capacity: 73 kW
Expected yearly generation: 278,344 kWh/year
Phase: Reconnaissance
Upfront capital cost: $13,844,214
Estimated hydro penetration level: 11.80%
source: link
Gunnuk creek
Present value of capital cost: $8,251,265
Lifetime energy cost savings: $3,529,583
Net lifetime savings: $-4,721,682
Benefit-cost ratio: 0.4
Proposed nameplate capacity: 300 kW
Expected yearly generation: 933,000 kWh/year
Phase: Feasibility
Upfront capital cost: $8,400,467
Estimated hydro penetration level: 39.55%
source: link
Ledge lake (ledge creek)
Present value of capital cost: $16,619,293
Lifetime energy cost savings: $4,925,030
Net lifetime savings: $-11,694,263
Benefit-cost ratio: 0.3
Proposed nameplate capacity: 400 kW
Expected yearly generation: 1,525,172 kWh/year
Phase: Reconnaissance
Upfront capital cost: $16,919,807
Estimated hydro penetration level: 64.66%
source: link
Rowan bay (6415 road) -- 0
Present value of capital cost: $13,099,018
Lifetime energy cost savings: $2,346,434
Net lifetime savings: $-10,752,584
Benefit-cost ratio: 0.2
Proposed nameplate capacity: 250 kW
Expected yearly generation: 953,232 kWh/year
Phase: Reconnaissance
Upfront capital cost: $13,335,877
Estimated hydro penetration level: 40.41%
source: link
Rowan bay (big lake) -- 1605 Lake
Present value of capital cost: $20,190,065
Lifetime energy cost savings: $11,018,400
Net lifetime savings: $-9,171,665
Benefit-cost ratio: 0.5
Proposed nameplate capacity: 700 kW
Expected yearly generation: 2,669,050 kWh/year
Phase: Reconnaissance
Upfront capital cost: $20,555,146
Estimated hydro penetration level: 113.15%
source: link
Rowan bay (stink creek/ erode creek) -- Erode Creek, Stink Creek
Present value of capital cost: $14,324,460
Lifetime energy cost savings: $4,368,064
Net lifetime savings: $-9,956,396
Benefit-cost ratio: 0.3
Proposed nameplate capacity: 350 kW
Expected yearly generation: 1,334,525 kWh/year
Phase: Reconnaissance
Upfront capital cost: $14,583,478
Estimated hydro penetration level: 56.57%
source: link
Rowan bay (unnamed creeks)
Present value of capital cost: $13,781,010
Lifetime energy cost savings: $986,294
Net lifetime savings: $-12,794,716
Benefit-cost ratio: 0.1
Proposed nameplate capacity: 200 kW
Expected yearly generation: 762,586 kWh/year
Phase: Reconnaissance
Upfront capital cost: $14,030,202
Estimated hydro penetration level: 32.33%
source: link
Towers creek
Present value of capital cost: $295,377,420
Lifetime energy cost savings: $-49,950,648
Net lifetime savings: $-345,328,068
Benefit-cost ratio: -0.2
Proposed nameplate capacity: 13,000 kW
Expected yearly generation: 49,568,078 kWh/year
Phase: Reconnaissance
Upfront capital cost: $300,718,505
Estimated hydro penetration level: 2,101.30%
source: link