Maine Interconnection Projects
interXdata tracks 868 interconnection projects in Maine representing 48,597 MW of requested capacity. The dominant technology by capacity is Other. The most active counties are Penobscot, Somerset, Franklin.
868Total projects
27Active
546Operational
283Withdrawn
48,597 MWRequested capacity
1,409 MWActive capacity
Technology mix
| Technology | Projects | Requested capacity |
|---|---|---|
| Other | 339 | 20,124 MW |
| Wind | 145 | 17,359 MW |
| Solar | 309 | 6,988 MW |
| Gas | 26 | 1,997 MW |
| Battery | 25 | 1,228 MW |
| Solar+Battery | 24 | 900 MW |
Counties
| County | Projects | Requested capacity |
|---|---|---|
| Penobscot | 137 | 2,811 MW |
| Somerset | 103 | 3,829 MW |
| Franklin | 73 | 6,364 MW |
| Cumberland | 70 | 2,887 MW |
| Androscoggin | 69 | 1,982 MW |
| Aroostook | 67 | 10,337 MW |
| Kennebec | 63 | 399 MW |
| York | 61 | 1,435 MW |
| Oxford | 61 | 1,484 MW |
| Washington | 34 | 1,034 MW |
| Hancock | 32 | 1,275 MW |
| Lincoln | 14 | 62 MW |
| Knox | 13 | 417 MW |
| Waldo | 11 | 150 MW |
| Sagadahoc | 10 | 60 MW |
| Lewiston | 7 | 2,401 MW |
| Piscataquis | 3 | 210 MW |
| Somerset And Penobscot | 2 | 2,400 MW |
| Penobscot/Washington | 2 | 101 MW |
| Aroostook/Somerset | 2 | 2,400 MW |
| Aroostoock | 2 | 100 MW |
| Somerset/Aroostook | 2 | 2,400 MW |
| Oxford/Androscoggin | 1 | 52 MW |
| Waldo/Sagadahoc | 1 | 2 MW |
| Penoboscot | 1 | 139 MW |
| Hancock/Aroostook | 1 | 1,200 MW |
| Howard | 1 | 5 MW |
| Kennebec/Somerset | 1 | 21 MW |
| Somerset /Lincoln | 1 | 0 MW |
| Peneobscot/Washington | 1 | 48 MW |
| Pisataquis | 1 | 20 MW |
| Somerset/Androscoggin | 1 | 850 MW |
| Cumberland/Kennedbec/Sagadahoc/Lincoln | 1 | 12 MW |
| Piscataquis/Penobscot/Somerset/Waldo/Hancock | 1 | 58 MW |
| Somerset/Lincoln | 1 | 0 MW |
| Wiscasset | 1 | 1,000 MW |
| Somerset/Kennebec | 1 | 19 MW |
| York/Oxford/Cumberland | 1 | 8 MW |
| Androscoggin/Franklin | 1 | 28 MW |
| Oxford/Franklin/Androscoggin | 1 | 28 MW |
Largest projects
| Project | Queue ID | Technology | Capacity | Status | Location |
|---|---|---|---|---|---|
| Internal noncontrollable ETU from NMISA to Pittsfield ME | 737 | — | 1,200.0 MW | withdrawn | Somerset And Penobscot, Maine |
| 1200 MW non-controllable ETU - N to S flow only | 1370 | — | 1,200.0 MW | withdrawn | Aroostook/Somerset, Maine |
| 1200 MW non-controllable ETU - N to S flow only | 1228 | — | 1,200.0 MW | withdrawn | Hancock/Aroostook, Maine |
| 1200 MW non-controllable ETU - N to S flow only | 1236 | — | 1,200.0 MW | withdrawn | Aroostook/Somerset, Maine |
| AC Line from NMISA to Chester and Pittsfield, ME | 590 | — | 1,200.0 MW | withdrawn | Somerset And Penobscot, Maine |
| 1200 MW non-controllable ETU - N to S flow only | 1227 | — | 1,200.0 MW | withdrawn | Somerset/Aroostook, Maine |
| 1200 MW non-controllable ETU - N to S flow only | 1230 | — | 1,200.0 MW | withdrawn | Somerset/Aroostook, Maine |
| NECEC 1200 MW HVDC (import only) - controllable | 639 | — | 1,200.0 MW | operational | Androscoggin, Maine |
| Pumped Storage Project | 270 | Other | 1,000.0 MW | withdrawn | Wiscasset, Maine |
| Wind | 1256 | Wind | 905.0 MW | withdrawn | Aroostook, Maine |
| Wyman Area to Larabee Rd Line | 571 | — | 850.0 MW | withdrawn | Somerset/Androscoggin, Maine |
| William F Wyman Hybrid | 1507_4 | Other | 632.4 MW | operational | Cumberland, Maine |
| Wind | 672 | Wind | 630.0 MW | withdrawn | Aroostook, Maine |
| Wind | 471 | Wind | 600.6 MW | withdrawn | Aroostook, Maine |
| Wind | 735 | Wind | 600.6 MW | withdrawn | Aroostook, Maine |
| Wind | 470 | Wind | 600.6 MW | withdrawn | Aroostook, Maine |
| Wind | 734 | Wind | 600.6 MW | withdrawn | Aroostook, Maine |
| Internal noncontrollable ETU to Pittsfield ME | 736 | — | 550.0 MW | withdrawn | Somerset, Maine |
| AC Line to Pittsfield, ME | 589 | — | 550.0 MW | withdrawn | Somerset, Maine |
| Internal noncontrollable ETU to Larabee Road - increase (see Q740 and Q741) | 742 | — | 540.0 MW | withdrawn | Lewiston, Maine |
| AC to Larabee Road increase (See Q652 and 658) | 659 | — | 540.0 MW | withdrawn | Lewiston, Maine |
| Wind | 1210 | Wind | 500.0 MW | withdrawn | Aroostook, Maine |
| Wind | 1211 | Wind | 500.0 MW | withdrawn | Aroostook, Maine |
| AC to Larabee Road | 652 | — | 460.0 MW | withdrawn | Lewiston, Maine |
| Internal noncontrollable ETU to Larabee Road | 740 | — | 460.0 MW | withdrawn | Lewiston, Maine |
| 345 kV AC line from Quebec to ME | 661 | — | 450.0 MW | withdrawn | Franklin, Maine |
| noncontrollable ETU from Quebec to ME | 743 | — | 450.0 MW | withdrawn | Franklin, Maine |
| Internal noncontrollable ETU - interface upgrade | 738 | — | 400.0 MW | withdrawn | Cumberland, Maine |
| AC Line | 591 | — | 400.0 MW | withdrawn | Cumberland, Maine |
| Wind | 626 | Wind | 376.2 MW | withdrawn | Aroostook, Maine |
Top developers in Maine
Developer attribution is not yet resolved for this set.
Recent material changes
No material field-level changes have been recorded against these projects since the baseline snapshot. interXdata records changes as new source snapshots are ingested and diffed.
Explore related data
Source last checked2026-07-31
Data last materially changed2026-08-27
Page data generated2026-08-27
Provenance: U.S. EIA — Form EIA-860M generator inventory (operating + planned); isone-irtt. Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.
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