| Rank | No Fuel Used Heating House Percentage ▼ | School District / Population |
| 1. | 11.8% | Westmanland / 89 |
| 2. | 5.2% | Newcastle / 1,775 |
| 3. | 3.9% | Robbinston / 533 |
| 4. | 3.5% | Madawaska / 3,965 |
| 5. | 2.7% | Great Salt Bay Community School District / 4,670 |
| 6. | 2.5% | School Administration District 10 / 215 |
| 7. | 2.3% | Talmadge / 83 |
| 8. | 2.3% | Regional School Unit 01 / 15,974 |
| 9. | 1.7% | Chebeague Island / 431 |
| 10. | 1.6% | School Administrative District 07 / 410 |
| 11. | 1.5% | Damariscotta / 2,001 |
| 12. | 1.5% | School Administrative District 33 / 1,608 |
| 13. | 1.5% | Eastport / 1,414 |
| 14. | 1.5% | Boothbay-Boothbay Harbor Community School District / 5,113 |
| 15. | 1.2% | Aroostook Unorganized Territory / 1,572 |
| 16. | 1.2% | School Administrative District 41 / 4,323 |
| 17. | 1.2% | School Administrative District 29 / 7,911 |
| 18. | 0.9% | Lewiston / 36,410 |
| 19. | 0.8% | Piscataquis Unorganized Territory / 722 |
| 19. | 0.8% | School Administrative District 31 / 4,042 |
| 21. | 0.6% | School Administrative District 61 / 14,598 |
| 22. | 0.6% | Regional School Unit 26 / 10,515 |
| 22. | 0.6% | School Administrative District 24 / 2,775 |
| 24. | 0.6% | Name N/A / 1,271 |
| 25. | 0.6% | Sanford / 20,853 |
| 26. | 0.5% | Auburn / 22,960 |
| 27. | 0.5% | Brooklin / 858 |
| 27. | 0.5% | School Administrative District 70 / 3,752 |
| 29. | 0.5% | Name N/A / 31,148 |
| 30. | 0.5% | Westbrook / 17,662 |
| 31. | 0.5% | Dedham / 1,584 |
| 32. | 0.5% | School Administrative District 27 / 6,478 |
| 33. | 0.5% | Falmouth / 11,424 |
| 34. | 0.4% | School Administrative District 42 / 2,252 |
| 34. | 0.4% | Blue Hill / 2,680 |
| 34. | 0.4% | Cape Elizabeth / 9,093 |
| 37. | 0.4% | Regional School Unit 20 / 17,022 |
| 37. | 0.4% | Regional School Unit 13 / 17,174 |
| 39. | 0.4% | Sedgwick / 1,137 |
| 40. | 0.4% | School Administrative District 75 / 19,467 |
| 41. | 0.4% | Name N/A / 1,843 |
| 42. | 0.3% | School Administrative District 28 / 8,177 |
| 43. | 0.3% | Lisbon / 8,936 |
| 44. | 0.3% | School Administrative District 09 / 17,770 |
| 45. | 0.3% | Regional School Unit 02 / 14,616 |
| 46. | 0.3% | Portland / 66,317 |
| 46. | 0.3% | School Administrative District 67 / 6,389 |
| 46. | 0.3% | School Administrative District 23 / 5,696 |
| 49. | 0.2% | Regional School Unit 24 / 18,942 |
| 50. | 0.2% | School Administrative District 01 / 12,992 |
| 50. | 0.2% | Name N/A / 13,571 |
| 50. | 0.2% | School Administrative District 74 / 5,395 |
| 53. | 0.2% | Winslow / 7,709 |
| 53. | 0.2% | School Administrative District 03 / 10,597 |
| 55. | 0.2% | Augusta / 18,898 |
| 55. | 0.2% | School Administrative District 17 / 24,133 |
| 55. | 0.2% | Brewer / 9,391 |
| 58. | 0.2% | School Administrative District 58 / 3,974 |
| 59. | 0.2% | School Administrative District 35 / 13,510 |
| 59. | 0.2% | Name N/A / 10,044 |
| 61. | 0.2% | Regional School Unit 21 / 18,582 |
| 61. | 0.2% | Regional School Unit 34 / 10,069 |
| 63. | 0.2% | School Administrative District 22 / 13,773 |
| 63. | 0.2% | School Administrative District 37 / 4,633 |
| 63. | 0.2% | Regional School Unit 05 / 13,441 |
| 66. | 0.1% | South Portland / 25,154 |
| 67. | 0.1% | School Administrative District 11 / 13,654 |
| 67. | 0.1% | Bangor / 32,800 |
| 67. | 0.1% | School Administrative District 60 / 18,087 |
| 70. | 0.1% | Regional School Unit 23 / 29,425 |
| 70. | 0.1% | Regional School Unit 19 / 14,878 |
Please note that we only rank locations with 'No Fuel Used Heating House Percentage' data. The rank above might not be a complete list. Locations without 'No Fuel Used Heating House Percentage' data are not listed.
