Regulatory Approvals and Permitting


The Maine Power Reliability Program (MPRP) will require numerous approvals and permits before the project may proceed to construction. These include a Certificate of Public Convenience and Necessity (CPCN) from the Maine Public Utilities Commission (MPUC) and technical approval from ISO New England, the Regional Transmission Operator. Environmental and land use permits may be required from the following federal, state and local authorities:

  • Maine DEP – Site Location of Development Law
  • Maine DEP – Natural Resources Protection Act
  • Maine DEP – Stormwater – Maine Construction General
  • Maine DEP – Water Quality Certification
  • Saco River Corridor Commission
  • Army Corps – Clean Water Act
  • Army Corps – Rivers and Harbors Act
  • State Planning Office – Coastal Zone Management Act
  • Local approvals (including potentially site plan, shoreland zoning, conditional use, and/or building permits) in approximately 80 municipalities

Permit applications will be posted on this website and may be accessed by selecting the desired authority listed on the left hand column of this page. Applications will be periodically added as they are produced and submitted to the governing authorities.