Greater Portland Reliability Project

Substation Upgrades

In the Greater Portland region, Brightline (BES) has plans to upgrade or expand a number of existing substations (Gray, Freeport, East Deering Substation in Portland, Cape Substation in South Portland, and Pleasant Hill Substation in Scarborough.) The project also includes building two new substations in North Yarmouth and in the Bayside area in Portland... Learn More »

Transmission Line Upgrades

The Greater Portland Reliability Project also includes a number of upgraded transmission line sections that run from Gray, North Yarmouth, Freeport, Cumberland, Falmouth, Portland, South Portland and Scarborough. Some of these transmission upgrades include building a new line while others include adding a new circuit to an existing line... Learn More »

Non Transmission Alternatives (NTAs)

In certain areas of the Brightline BES program, CMP is evaluating the possibility of Non Transmission Alternatives or NTAs to provide viable solutions to these grid upgrades. NTAs must meet important guidelines for reliability and safety and help serve the overall electric system. NTAs include solar installations, battery storage facilities, generators and load reduction... Learn More »

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