



Solar panels silently convert light into electricity. They have no moving parts, require little maintenance and are designed to last for many years. Solar panels use the photovoltaic effect to produce electricity directly from sunlight. Solar panels work best in direct sunshine, but they also work well even on cloudy days.
Solar panels can supply a substantial proportion of the electricity needs of a typical household. They are often mounted on the roof or on the ground and connected to the local electric utility, either supplying all the power directly to the home or pumping the excess back to the utility. Apart from reducing your utility electricity bill, homeowners can often sell any surplus electricity directly back to the utility at an attractive rate.
Look at the numbers in your state.
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| Illinois | Residential | Commercial | Non-for-Profit / Government |
| State Rebate | 30% | 30% | 50% |
| Federal Rebate | N/A | 30% | N/A |
| Federal Tax Credit | 30% | N/A | N/A |
| Depreciation | N/A | Available | N/A |
| SRECS | Available | Available | Available |
| Sun Rebate | $150 Per Panel | $125 Per Panel | $150 Per Panel |
| Illinois Clean Energy | N/A | N/A | up to 60% |
| Missouri | Residential | Commercial | Non-for-Profit / Government |
| Ameren Rebate | $2.00 per DC/Watt | $2.00 per DC/Watt | $2.00 per DC/Watt |
| State Rebate | N/A | N/A | N/A |
| Federal Rebate | N/A | 30% | N/A |
| Federal Tax Credit | 30% | N/A | N/A |
| SRECS | Available | Available | Available |
| Depreciation | N/A | Available | N/A |
| Sun Rebate | $150 Per Panel | $125 Per Panel | $150 Per Panel |
| Tennessee | Residential | Commercial | Non-for-Profit / Government |
| State Rebate | 40% | 40% | N/A |
| Federal Rebate | N/A | 30% | N/A |
| Federal Tax Credit | 30% | N/A | N/A |
| TVA Green Power Grant | $1,000 | $1,000 | $1,000 |
| Depreciation | N/A | Available | N/A |
| TVA Production Incentive | $0.12 Above Retail Rate | $0.12 Above Retail Rate | $0.12 Above Retail Rate |
| Sun Rebate | $150 Per Panel | $125 Per Panel | $150 Per Panel |