Estimate the payback period for energy-efficiency retrofits by comparing total project cost with annual utility-bill savings.
Formula
totalCost / annualSavingsTotal Retrofit Cost
10,000
Annual Energy Savings
2,000
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The Energy Efficiency Retrofits Payback Period Calculator estimates how many years it takes for a retrofit to repay its upfront cost through annual energy savings. With the default $10,000 retrofit cost and $2,000 annual savings, the estimated payback period is 5 years. Treat this as a planning estimate; utility rates, incentives, maintenance costs, financing, occupancy, and measured savings can change the actual result.
Use this energy calculator to compare scenarios before committing money, time, or a provider conversation.
The estimate combines Total Retrofit Cost, Annual Energy Savings and returns Payback Period (Years).
If the result changes your decision, verify the current quote, rate, eligibility rule, or provider term before acting.
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