| Rank | Solar Energy Heating House Percentage ▼ | School District / Population |
| 1. | 1.3% | Eastford School District / 1,726 |
| 2. | 1.1% | Andover School District / 3,181 |
| 3. | 0.8% | Chaplin School District / 2,256 |
| 4. | 0.7% | Killingly School District / 17,281 |
| 5. | 0.6% | Clinton School District / 13,188 |
| 6. | 0.5% | Canaan School District / 1,240 |
| 7. | 0.5% | Regional High School District 11 / 5,877 |
| 8. | 0.4% | Hampton School District / 1,912 |
| 9. | 0.4% | Woodstock School District / 7,916 |
| 10. | 0.4% | Cromwell School District / 14,077 |
| 11. | 0.3% | Redding School District / 9,267 |
| 12. | 0.3% | North Branford School District / 14,387 |
| 13. | 0.3% | East Windsor School District / 11,353 |
| 14. | 0.2% | East Lyme School District / 19,118 |
| 15. | 0.2% | Regional High School District 09 / 16,860 |
| 16. | 0.2% | Regional High School District 08 / 19,236 |
| 17. | 0.2% | Branford School District / 28,066 |
| 18. | 0.2% | Litchfield School District / 8,365 |
| 19. | 0.2% | Mansfield School District / 26,328 |
| 19. | 0.2% | Glastonbury School District / 34,661 |
| 21. | 0.1% | Westport School District / 27,055 |
| 22. | 0.1% | New Haven School District / 130,553 |
| 22. | 0.1% | Vernon School District / 29,162 |
| 24. | 0.1% | Norwalk School District / 87,214 |
| 25. | 0.1% | Windsor School District / 29,130 |
| 25. | 0.1% | Name N/A / 218,438 |
| 25. | 0.1% | Regional High School District 19 / 36,619 |
| 25. | 0.1% | Hamden School District / 61,605 |
| 29. | 0.1% | New Milford School District / 27,821 |
| 29. | 0.1% | Cheshire School District / 29,272 |
| 31. | 0.1% | Middletown School District / 47,424 |
| 32. | 0.1% | Shelton School District / 40,472 |
| 32. | 0.1% | East Hartford School District / 51,211 |
| 32. | 0.1% | Regional High School District 01 / 15,412 |
| 35. | 0.0% | Greenwich School District / 62,141 |
| 36. | 0.0% | Ledyard School District / 15,090 |
| 37. | 0.0% | Stamford School District / 125,401 |
| 37. | 0.0% | Bridgeport School District / 146,680 |
Please note that we only rank locations with 'Solar Energy Heating House Percentage' data. The rank above might not be a complete list. Locations without 'Solar Energy Heating House Percentage' data are not listed.
