| # | Plant | Fuel | Country | MW |
|---|---|---|---|---|
| 1 | William F Wyman Hybrid | Oil | United States of America | 846 |
| 2 | Essential Power Newington LLC | Gas | United States of America | 606 |
| 3 | Westbrook Energy Center Power Plant | Gas | United States of America | 564 |
| 4 | Maine Independence Station | Gas | United States of America | 550 |
| 5 | Newington | Gas | United States of America | 414 |
| 6 | Rumford Power LLC | Gas | United States of America | 274 |
| 7 | Bucksport Generation LLC | Gas | United States of America | 187 |
| 8 | Bingham Wind | Wind | United States of America | 186 |
| 9 | Schiller | Coal | United States of America | 171 |
| 10 | Androscoggin Energy Center | Gas | United States of America | 164 |
| 11 | Oakfield Wind Project | Wind | United States of America | 148 |
| 12 | Great Lakes Hydro America - ME | Hydro | United States of America | 138 |
| 13 | Kibby Wind Facility | Wind | United States of America | 132 |
| 14 | Somerset Plant | Biomass | United States of America | 107 |
| 15 | Rumford Cogeneration | Biomass | United States of America | 103 |
| 16 | Rumford Cogeneration Plant | Coal | United States of America | 103 |
| 17 | Androscoggin Mill | Biomass | United States of America | 80 |
| 18 | Harris Hydro | Hydro | United States of America | 76 |
| 19 | Wyman Hydro | Hydro | United States of America | 72 |
| 20 | S D Warren Westbrook | Waste | United States of America | 70 |
| 21 | Woodland Pulp LLC | Biomass | United States of America | 68 |
| 22 | East Millinocket Mill | Biomass | United States of America | 61 |
| 23 | Rollins Wind Project | Wind | United States of America | 60 |
| 24 | Stetson Wind I | Wind | United States of America | 57 |
| 25 | Hancock Wind Plant | Wind | United States of America | 51 |
| 26 | Record Hill Wind | Wind | United States of America | 51 |
| 27 | ReEnergy Stratton LLC | Waste | United States of America | 47 |
| 28 | Rumford Falls Hydro Facility | Hydro | United States of America | 44 |
| 29 | Passadumkeag Windpark LLC | Wind | United States of America | 43 |
| 30 | Mars Hill Wind Farm Project | Wind | United States of America | 42 |
| 31 | ReEnergy Livermore Falls | Waste | United States of America | 40 |
| 32 | ReEnergy Ashland | Biomass | United States of America | 40 |
| 33 | ReEnergy Fort Fairfield | Biomass | United States of America | 38 |
| 34 | Cape Gas Turbine | Oil | United States of America | 35 |
| 35 | Bull Hill Wind Project | Wind | United States of America | 34 |
| 36 | Anson Abenaki Hydros | Hydro | United States of America | 29 |
| 37 | Red Shield Envir Old Town Facility | Waste | United States of America | 28 |
| 38 | Charles E Monty | Hydro | United States of America | 28 |
| 39 | Indeck Jonesboro Energy Center | Waste | United States of America | 28 |
| 40 | Indeck West Enfield Energy Center | Waste | United States of America | 28 |
| 41 | Caribou Generation Station | Oil | United States of America | 27 |
| 42 | Saddleback Ridge Wind Farm | Wind | United States of America | 26 |
| 43 | Stetson Wind II | Wind | United States of America | 26 |
| 44 | Penobscot Energy Recovery | Waste | United States of America | 25 |
| 45 | Eagle Point Energy Center | Waste | United States of America | 25 |
| 46 | Canton Mountain Wind | Wind | United States of America | 23 |
| 47 | Twin Rivers Paper Co LLC | Other | United States of America | 22 |
| 48 | Spruce Mountain WInd | Wind | United States of America | 20 |
| 49 | Lincoln Paper & Tissue | Biomass | United States of America | 20 |
| 50 | Brunswick Hydro | Hydro | United States of America | 20 |
| 51 | Worumbo Hydro Station | Hydro | United States of America | 19 |
| 52 | Gulf Island | Hydro | United States of America | 19 |
| 53 | Skelton | Hydro | United States of America | 17 |
| 54 | Greenville Steam | Biomass | United States of America | 16 |
| 55 | Hydro Kennebec Project | Hydro | United States of America | 15 |
| 56 | Pejepscot Hydroelectric Project | Hydro | United States of America | 14 |
| 57 | Regional Waste Systems | Waste | United States of America | 13 |
| 58 | West Enfield Hydro | Hydro | United States of America | 13 |
| 59 | Williams Hydro | Hydro | United States of America | 13 |
| 60 | Mead Rumford Cogen | Gas | United States of America | 12 |
| 61 | Weston Hydro | Hydro | United States of America | 12 |
| 62 | Hiram | Hydro | United States of America | 10 |
| 63 | Otis Hydro | Hydro | United States of America | 10 |
| 64 | International Paper Livermore Hydro | Hydro | United States of America | 9 |
| 65 | Pisgah Mountain Wind | Wind | United States of America | 9 |
| 66 | Ellsworth Hydro Station | Hydro | United States of America | 9 |
| 67 | Shawmut | Hydro | United States of America | 9 |
| 68 | Athens Energy | Waste | United States of America | 8 |
| 69 | Milford Hydro Station | Hydro | United States of America | 8 |
| 70 | West Buxton | Hydro | United States of America | 8 |
| 71 | Bonny Eagle | Hydro | United States of America | 7 |
| 72 | Lockwood Hydroelectric Facility | Hydro | United States of America | 7 |
| 73 | Cataract Hydro | Hydro | United States of America | 7 |
| 74 | International Paper Riley Hydro | Hydro | United States of America | 7 |
| 75 | Deer Rips | Hydro | United States of America | 6 |
| 76 | Flos Inn Diesel | Oil | United States of America | 6 |
| 77 | MMWAC Resource Recovery Facility | Waste | United States of America | 5 |
| 78 | Beaver Ridge Wind | Wind | United States of America | 4 |
| 79 | Fox Island Wind LLC | Wind | United States of America | 4 |
| 80 | Benton Falls Associates | Hydro | United States of America | 4 |
| 81 | IOS - MEW Phase 1 | Solar | United States of America | 4 |
| 82 | Bar Mills | Hydro | United States of America | 4 |
| 83 | Medway Hydro | Hydro | United States of America | 4 |
| 84 | Orono B | Hydro | United States of America | 4 |
| 85 | Eastern Maine Medical Center | Gas | United States of America | 4 |
| 86 | Androscoggin 3 | Hydro | United States of America | 4 |
| 87 | Brassua Hydroelectric Project | Hydro | United States of America | 4 |
| 88 | Pine Tree Landfill Gas to Energy | Waste | United States of America | 3 |
| 89 | Robbins Lumber | Oil | United States of America | 3 |
| 90 | Waste Management Crossroads LFGTE | Waste | United States of America | 3 |
| 91 | International Paper Jay Hydro | Hydro | United States of America | 3 |
| 92 | Messalonskee 2 (Oakland) | Hydro | United States of America | 3 |
| 93 | Orono Hydro Station | Hydro | United States of America | 3 |
| 94 | Stillwater B | Hydro | United States of America | 2 |
| 95 | North Gorham | Hydro | United States of America | 2 |
| 96 | Messalonskee 5 | Hydro | United States of America | 2 |
| 97 | Stillwater Hydro Station | Hydro | United States of America | 2 |
| 98 | Messalonskee 3 | Hydro | United States of America | 2 |
| 99 | Upper Androscoggin | Hydro | United States of America | 2 |
| 100 | Barker Lower | Hydro | United States of America | 2 |
| 101 | Solar Mule LLC | Solar | United States of America | 2 |
| 102 | Squa Pan Hydro Station | Hydro | United States of America | 2 |
| 103 | Mechanic Falls | Hydro | United States of America | 1 |
| 104 | Salmon Falls | Hydro | United States of America | 1 |
| 105 | Pittsfield Hydro | Hydro | United States of America | 1 |
| 106 | Gardiner | Hydro | United States of America | 1 |
| 107 | Pumpkin Hill | Hydro | United States of America | 1 |
| 108 | Upper Barker | Hydro | United States of America | 1 |
Method: ranked from open data — capacity & fuel from WRI Global Power Plant Database (CC BY 4.0); CO₂ measured for US EPA GHGRP / EU ETS records and modelled for Climate TRACE records. Sorted server-side; click any column to re-sort. Company-level data only.
William F Wyman Hybrid (United States of America) ranks #1 with 846 mw.
This ranking covers 108 power plants in in Maine, United States of America.
1. William F Wyman Hybrid (846); 2. Essential Power Newington LLC (606); 3. Westbrook Energy Center Power Plant (564).