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Tell us about your situation |
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Annual energy usage Enter your annual historic electricity usage, in kWh. |
kWh |
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Solar production This number can come directly from an installer quote. You can also make it 100% or 200% of your Annual Electricity Usage to see the financial implications of differently sized systems. |
kWh |
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Cost of system after any tax credits or rebates Currently there are no state or local rebates for installing solar. There is a 30% Federal Tax Credit. Check with a tax professional to see if you would qualify. |
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Location Please select where in LPEA's service territory you live so that the relevant taxes and fees can be calculated. |
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Advanced settings |
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Account for inflation The default value is the historic 30-year inflation value of 2.23% which closely matches LPEA's rate increases over the past 30 years. However, it is difficult to predict future inflation rates and how electricity rates will change in the future. |
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Predicted inflation rate The default value is the historic 30-year inflation value of 2.23% which closely matches LPEA's rate increases over the past 30 years. However, it is difficult to predict future inflation rates and how electricity rates will change in the future. |
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Account for degradation Solar panels degrade over time, becoming less efficient at making electricity. The National Renewable Energy Lab states solar panels have a median degradation rate of 0.5% per year. This means a 20-year-old panel can produce 90% of what it did when new. If you select “Yes” this 0.5% degradation rate will be factored into this tool’s calculations. |
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AVERAGE MONTHLY BILL WITH SOLAR |
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Base Charge |
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Energy Usage |
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Peak Power Charge |
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Franchise Fee |
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Taxes |
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Total |
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AVERAGE MONTHLY BILL WITHOUT SOLAR |
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Base Charge |
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Energy Usage |
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Peak Power Charge |
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Franchise Fee |
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Taxes |
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Total |
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Production Off-setting Consumption |
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Annual Electricity Usage Offset by Production |
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Annual Energy Usage Savings |
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Annual Taxes & Fees Savings |
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Value of Electricity Produced and Consumed Onsite ($/kWh) |
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Excess Production |
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Annual Electricity Produced and Sold to the Grid |
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Annual Compensation for Excess Production |
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Value of Electricity Produced and Sold to the Grid ($/kWh) |
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Total Annual Value (1st year) |
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Break-even Payback Period (years) |
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25 year Lifetime Savings |
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25 year Return on Investment (%) |