Maine Bulk Transmission Permitting Process (ME)
The steps of the Maine bulk transmission permitting process are summarized in the chart below. Roll over each section for a summary of the regulations and permits it covers. Click a section to learn more about the required permits and regulations related to that topic.
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Bulk Transmission Development in Maine
The Maine electric grid is part of the North American Electric Reliability Corporation’s (NERC) Eastern Interconnection. In Maine, the Northeast Power Coordinating Council is the regional entity, under NERC, charged with developing reliability standards and monitoring compliance for all owners, operators and users of the bulk electric system. Maine has one balancing authority: ISO New England (ISO-NE). ISO-NE oversees the operation of the bulk electric power system and transmission lines in Maine.
In Maine, there are investor-owned, independent, and municipal transmission providers, including:
- Central Maine Power that serves southwestern part of Maine;
- Emera Maine that serves central Maine;
- Eastern Maine Electric Cooperative that serves Eastern Washington County, Southern Aroostook County, and Western Penobscot County in Maine;
- Houlton Water Company which serves the city of Houlton and portions of the surrounding towns in northern Maine;
- Kennebunk Light & Power Dist that provides transmission services the town of Kennebunk and portions of surrounding towns.