Maine: every permit portal for solar, wind, and storage
The quick find: which office handles each approval a utility-scale project touches in Maine, with the agency's own page. Counties and cities add their own land-use approvals; the state table is the part that is the same across the state.
State and grid
| Approval | Where to go |
|---|---|
| State siting or certificateWhether the state itself approves where a generating facility goes, or leaves it to counties and cities. | Site Location of Development Act permit (20+ acres)Maine DEP (Site Location of Development) and Maine PUC |
| Grid interconnectionThe queue the project enters to connect: the regional grid operator, or the utility and public utility commission outside an RTO. | Interconnection requestsISO New England |
| Construction stormwater permitNPDES coverage for land disturbance of one acre or more, before earthwork starts. | Stormwater permits (Chapter 500) and MCGPMaine Department of Environmental Protection |
| Historic preservation reviewSection 106 consultation through the State Historic Preservation Office when a federal permit, federal funding or federal land is involved; many states add their own review on state land. | Project review (Section 106)Maine Historic Preservation CommissionConfirmed: 'Project Review | Maine Historic Preservation Commission', describes Section 106 process. |
| Wildlife and habitat reviewThe state wildlife agency's project screening or natural-heritage data request; federal species go through USFWS IPaC. | Environmental reviewMaine Department of Inland Fisheries and WildlifeConfirmed: MDIFW Environmental Review page (Programs & Resources > Environmental Review). |
| State road access and utility permitsA driveway onto a state highway, and a gen-tie or cable in state right of way. | Location and Opening Permits (utilities); Driveway and Entrance PermittingMaine Department of Transportation |
| Floodplain (state NFIP coordinator)Local floodplain development permits are county or city; the state coordinator lists who administers them. | Maine Floodplain Management Program (now in Maine Office of Community Affairs) exact page not confirmedLook for: Maine Floodplain Management Program (State NFIP coordinator) · the exact page did not answer our check, so this goes to the agency's siteConfirmed live (program home with NFIP intro and services). The About Us page notes the program has moved into the Maine Office of Community Affairs; this DACF URL still serves the content. |
| Water rights and wellsConstruction water, dust control and O&M wells: the state engineer, water board or environmental agency. | Water withdrawal reporting; wells via Maine Drinking Water ProgramMaine DEP |
| Property-tax incentive programState abatement or exemption programs for renewable generation, where one exists. | Renewable Energy Investment Exemption (solar/wind equipment, 36 M.R.S. 655(1)(U))Maine Revenue ServicesConfirmed: Property Tax Relief exemptions page lists the Renewable Energy Investment Exemption with application form and Bulletin 29 (solar). Exemption name updated. |
Federal portals (the same in every state)
| Approval | Where to go |
|---|---|
| Clean Water Act Section 404 / Rivers and Harbors Act Section 10 | U.S. Army Corps of EngineersRegulatory Request System: applications, pre-application meetings and jurisdictional determinations; the district office is by watershed. |
| Endangered species and critical habitat | U.S. Fish and Wildlife ServiceIPaC: official species list and the Section 7 consultation path for the project footprint. |
| Tall structures (wind turbines, met towers) | Federal Aviation AdministrationForm 7460-1 notice through OE/AAA before construction above the 14 CFR 77.9 heights. |
| Construction stormwater where EPA is the permitting authority | U.S. EPAEPA's Construction General Permit (NeT eNOI) in New Mexico, Massachusetts, New Hampshire, D.C., Indian country and the territories. |
| Projects on federal land | Bureau of Land ManagementRight-of-way applications and NEPA documents for BLM-managed land. |
| Transmission and wholesale market rules | Federal Energy Regulatory CommissionOrder No. 2023 cluster-study reforms, followed by every FERC-jurisdictional transmission provider, RTO or utility; ERCOT has its own process. |
County and city pages for Maine
From the nationwide permit finder; counties and cities issue most land-use approvals, so start with the jurisdiction that covers the parcel.
- Maine — Stormwater and land permitting (State): Maine environmental authority. Start with this agency for the linked water program. Check construction stormwater, wastewater and water-quality approvals separately; this link does not cover every environmental permit.
- Maine — local government contacts (City & local): USAGov. Select your state in the national directory, then locate the responsible local government. Confirm municipal boundaries and any separate fire, drainage, water or other district authority.
Other states
How this list is made. Each link was found on the agency's own site and is re-checked by a script that loads it and records the date; a link that stops answering is shown without a link rather than dropped. Programs change with each legislative session: confirm fees, forms and thresholds on the agency page before filing. General information, not legal advice. How we check our data · Report an error.