| Rank | State | Tax Credits | Rebates and Grants | Rating |
| 1 | California | None | SGIP, local rebates | 10 |
| 2 | Arizona | 25% State Solar Tax Credit | Utility rebates | 9 |
| 3 | Massachusetts | 15% State Solar Tax Credit | SMART program, local rebates | 9 |
| 4 | New York | 25% State Solar Tax Credit | NY-Sun rebate, local rebates | 9 |
| 5 | New Jersey | None | Transition Incentive Program (TRECs) | 9 |
| 6 | Colorado | None | Utility rebates, local grants | 8 |
| 7 | Maryland | None | Solar Grant Program, local rebates | 8 |
| 8 | Connecticut | None | Residential Solar Investment Program | 8 |
| 9 | Oregon | None | Energy Trust incentives, local rebates | 8 |
| 10 | Vermont | None | Net Metering, local rebates | 8 |
| 11 | Washington | None | Renewable Energy System Cost Recovery | 8 |
| 12 | Illinois | None | Adjustable Block Program (ABP) | 7 |
| 13 | Michigan | None | Utility rebates, local incentives | 7 |
| 14 | Nevada | None | NV Energy rebates, local rebates | 7 |
| 15 | New Hampshire | None | Net Metering, local rebates | 7 |
| 16 | New Mexico | 10% State Solar Tax Credit | Utility rebates | 7 |
| 17 | North Carolina | None | Duke Energy Solar Rebate Program | 7 |
| 18 | Ohio | None | Utility rebates, local incentives | 7 |
| 19 | Pennsylvania | None | Solar Alternative Energy Credits | 7 |
| 20 | Rhode Island | None | Renewable Energy Growth Program | 7 |
| 21 | Utah | None | Rocky Mountain Power Solar Incentive | 7 |
| 22 | Virginia | None | Utility rebates, local incentives | 7 |
| 26 | Montana | None | Net Metering | 6 |
| 27 | Utah | None | Rocky Mountain Power Solar Incentive | 6 |
| 28 | Washington | None | Net Metering, Renewable Energy System Cost Recovery Program | 6 |
| 29 | Michigan | None | Net Metering, DTE Solar Currents Program | 5 |
| 30 | New Hampshire | None | Net Metering, NH Solar Rebate Program | 5 |
| 31 | North Carolina | None | Duke Energy Solar Rebate Program | 5 |
| 32 | Pennsylvania | None | Sunshine Solar Rebate Program | 5 |
| 33 | Virginia | None | Net Metering, Solarize NOVA | 5 |
| 34 | Hawaii | 35% State Solar Tax Credit (capped) | Hawaii Energy Rebates | 5 |
| 35 | South Carolina | 25% State Solar Tax Credit | SCE&G and Duke Energy Solar Rebates | 5 |
| 36 | Louisiana | 50% State Solar Tax Credit (capped) | None | 4 |
| 37 | Missouri | None | Ameren Missouri Solar Rebate Program | 4 |
| 38 | Florida | None | Solar Rebate Program (limited) | 4 |
| 39 | Georgia | None | Georgia Power Solar Buyback Program | 4 |
| 40 | Texas | None | Local Rebates (varies by utility) | 4 |
| 41 | Delaware | None | Green Energy Program Grants | 3 |
| 42 | Indiana | None | Net Metering (limited) | 3 |
| 43 | Iowa | None | Solar Energy System Tax Credits | 3 |
| 44 | Nebraska | None | LES Solar Incentive Program | 3 |
| 45 | Oklahoma | None | PSO and OG&E Solar Programs | 3 |
| 46 | Tennessee | None | TVA Green Power Providers Program | 3 |
| 47 | Wisconsin | None | Focus on Energy Rebates | 3 |
| 48 | Arkansas | None | None | 2 |
| 49 | Idaho | None | None | 2 |
| 50 | Kansas | None | None | 2 |