Current system
See: Generation for more details of the current generation systems
Old harbor (midway creek)
Present value of capital cost: $11,222,795
Lifetime energy cost savings: $4,863,681
Net lifetime savings: $-6,359,114
Benefit-cost ratio: 0.4
Proposed nameplate capacity: 340 kW
Expected yearly generation: 2,798,118 kWh/year
Phase: Reconnaissance
Upfront capital cost: $11,425,728
Estimated hydro penetration level: 334.99%
source: link
Old harbor (ohiouzuk creek, lower reach)
Present value of capital cost: $3,051,821
Lifetime energy cost savings: $1,191,425
Net lifetime savings: $-1,860,395
Benefit-cost ratio: 0.4
Proposed nameplate capacity: 80 kW
Expected yearly generation: 297,143 kWh/year
Phase: Feasibility
Upfront capital cost: $3,107,005
Estimated hydro penetration level: 35.57%
source: link
Old harbor (big creek tributary) -- Big Creek, Tributary
Present value of capital cost: $4,787,232
Lifetime energy cost savings: $1,982,467
Net lifetime savings: $-2,804,764
Benefit-cost ratio: 0.4
Proposed nameplate capacity: 130 kW
Expected yearly generation: 482,857 kWh/year
Phase: Feasibility
Upfront capital cost: $4,873,795
Estimated hydro penetration level: 57.81%
source: link
Old harbor (big creek, upper)
Present value of capital cost: $64,584,873
Lifetime energy cost savings: $-7,141,094
Net lifetime savings: $-71,725,967
Benefit-cost ratio: -0.1
Proposed nameplate capacity: 2,280 kW
Expected yearly generation: 8,468,571 kWh/year
Phase: Feasibility
Upfront capital cost: $65,752,712
Estimated hydro penetration level: 1,013.86%
source: link
Old harbor -- Mountain Creek, tributary
Present value of capital cost: $9,492,411
Lifetime energy cost savings: $5,614,069
Net lifetime savings: $-3,878,342
Benefit-cost ratio: 0.6
Proposed nameplate capacity: 262 kW
Expected yearly generation: 3,470,000 kWh/year
Phase: Feasibility
Upfront capital cost: $9,664,055
Estimated hydro penetration level: 415.43%
source: link
Old harbor hydroelectric project geotechnical study and final design
Present value of capital cost: $9,152,011
Lifetime energy cost savings: $4,636,406
Net lifetime savings: $-4,515,606
Benefit-cost ratio: 0.5
Proposed nameplate capacity: 262 kW
Expected yearly generation: 1,099,551 kWh/year
Phase: Design
Upfront capital cost: $9,317,500
Estimated hydro penetration level: 131.64%
source: link