The utility avoided cost terms (UACt, UICt, ,and UACat) are determined by costing period to reflect time-variant costs of supply: = Use formula but with marginal and costing periods UACt appropriate for the alternate fuel utility. Glossary of Terms Reduction in net demand in costing period in year i t ∆DNit Reduction in net energy use in costing period in year i t ∆ENit BCRTRC = Benefit-cost ratio of total costs of the resource BTRC = Benefits of the program CTRC = Costs of the program D = Interest rate (discount) E = Discounted stream of system energy (kWh or therms) or demand sales (kW) for first year customers. Et = System sales in kWh, kW, or therms for first year customers I = Number of periods of a participant’s participation IMP = Total discounted lead impacts of the program Kit = 1 when or is positive (i.e., a reduction) in costing period i ∆EGit ∆DGit in year and 0 (zero) otherwise t, LCRC = Total resource costs used for levelizing
The utility avoided cost terms (UACt, UICt, ,and UACat) are determined by costing period to reflect time-variant costs of supply: = Use UACt formula but with marginal and costing periods appropriate for the alternate fuel utility. Glossary of Terms ∆DNit Reduction in net demand in costing period i in year t ∆ENit Reduction in net energy use in costing period i in year t BCRTRC = Benefit-cost ratio of total costs of the resource BTRC = Benefits of the program CTRC = Costs of the program D = Interest rate (discount) E = Discounted stream of system energy (kWh or therms) or demand sales (kW) for first year customers. Et = System sales in kWh, kW, or therms for first year customers I = Number of periods of a participant’s participation IMP = Total discounted lead impacts of the program Kit = 1 when ∆EGit or ∆DGit is positive (i.e., a reduction) in costing period i in year t, and 0 (zero) otherwise LCRC = Total resource costs used for levelizing
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