Nstar Electric

Organization

139 catalogued assets · 6 states

Total assets

139

Nstar Electric is an organization in the GridCensus infrastructure catalog, owning or operating 139 catalogued assets across 6 states. An organization’s existing footprint — its power assets, fiber, land, and facilities — is a strong signal of where it can expand and which markets it already controls. Every asset below links to its full profile.

Candidate Sites Owned

108

Transmission Lines

Footprint

Arizona California Connecticut Florida Indiana Massachusetts

Candidate Sites Owned (31)

Site	Location	DC Readiness	Candidate MW
EC Near Commercial Street	Essex, MA	54.4/100	—
EC Near Kendall Square Station	Middlesex, MA	54.0/100	—
EC Near General Electric Aircraft Engines	Essex, MA	53.5/100	—
EC Near Mystic Generating Station	Middlesex, MA	53.4/100	—
EC Near Salem Harbor	Essex, MA	52.9/100	—
EC Near New Boston Generating Station	Suffolk, MA	52.7/100	—
EC Near Commercial Street	Essex, MA	52.4/100	—
EC Near Commercial Street	Essex, MA	52.2/100	—
EC Near Salem Harbor	Essex, MA	52.2/100	—
EC Near General Electric Aircraft Engines	Essex, MA	52.0/100	—
EC Coal Bristol County	Bristol County, MA	51.6/100	—
EC Near Salem Harbor	Essex, MA	51.2/100	—
EC Near Commercial Street	Essex, MA	51.0/100	—
EC Near Mystic Generating Station	Middlesex, MA	50.9/100	—
EC Near Canal	Barnstable, MA	50.0/100	—
EC Near Salem Harbor	Essex, MA	49.9/100	—
EC Near Commercial Street	Essex, MA	49.9/100	—
EC Near Nantucket Hybrid	Nantucket, MA	49.1/100	—
EC Near Canal	Barnstable, MA	47.5/100	—
EC Near Canal	Barnstable, MA	46.8/100	—
EC Near Nantucket Hybrid	Nantucket, MA	46.5/100	—
EC FFE Barnstable County	Barnstable County, MA	46.5/100	—
EC Near Canal	Barnstable, MA	46.3/100	—
EC Near Canal	Barnstable, MA	46.2/100	—
EC Near Nantucket Hybrid	Nantucket, MA	43.8/100	—
EC Near Nantucket Hybrid	Nantucket, MA	43.6/100	—
EC Near Nantucket Hybrid	Nantucket, MA	43.3/100	—
EC Near Nantucket Hybrid	Nantucket, MA	43.2/100	—
EC Near Nantucket Hybrid	Nantucket, MA	43.2/100	—
EC Near Nantucket Hybrid	Nantucket, MA	42.9/100	—
EC Near Nantucket Hybrid	Nantucket, MA	42.6/100	—

Transmission Lines (108)

Line	State	Voltage	Length
Line #157643	Connecticut	345 kV	2.8 mi
Line #131551	Massachusetts	345 kV	13.1 mi
Line #111894	Arizona	345 kV	0.1 mi
Line #157639	Florida	345 kV	9.2 mi
Line #157640	Massachusetts	345 kV	14.1 mi
Line #157647	Massachusetts	345 kV	14.1 mi
Line #157646	Connecticut	345 kV	2.8 mi
Line #110876	Massachusetts	345 kV	13.2 mi
Line #148335	Massachusetts	345 kV	14.4 mi
Line #142277	Massachusetts	115 kV	0.7 mi
Line #157657	California	115 kV	5.7 mi
Line #141486	Massachusetts	115 kV	4.0 mi
Line #150937	Massachusetts	115 kV	4.2 mi
Line #150949	Massachusetts	115 kV	2.9 mi
Line #135944	Massachusetts	115 kV	5.4 mi
Line #147245	Massachusetts	115 kV	0.0 mi
Line #118632	Massachusetts	115 kV	0.0 mi
Line #165917	Massachusetts	115 kV	2.5 mi
Line #157658	Massachusetts	115 kV	7.5 mi
Line #147901	Massachusetts	115 kV	5.1 mi
Line #137174	Massachusetts	115 kV	0.7 mi
Line #172652	Massachusetts	115 kV	7.9 mi
Line #172653	Massachusetts	115 kV	4.3 mi
Line #157656	Massachusetts	115 kV	3.6 mi
Line #157659	California	115 kV	1.2 mi
Line #148810	Massachusetts	115 kV	5.0 mi
Line #158162	Massachusetts	115 kV	0.0 mi
Line #104930	Indiana	115 kV	2.4 mi
Line #157140	California	115 kV	6.9 mi
Line #119606	Massachusetts	115 kV	3.8 mi
Line #147897	Massachusetts	115 kV	5.1 mi
Line #126152	Massachusetts	115 kV	8.8 mi
Line #122988	Massachusetts	115 kV	12.2 mi
Line #157136	California	115 kV	6.9 mi
Line #127585	Massachusetts	115 kV	0.0 mi
Line #128442	Massachusetts	115 kV	3.5 mi
Line #129847	Massachusetts	115 kV	1.6 mi
Line #116546	Massachusetts	115 kV	2.6 mi
Line #132919	Massachusetts	115 kV	0.0 mi
Line #124140	Massachusetts	115 kV	5.0 mi

Browse the full transmission-line map →

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Dataset updated September 2026. Screening estimates derived from public data sources.

Organization records are derived from public infrastructure datasets (EIA, HIFLD, FCC, PNNL, county parcels, PeeringDB) and may be incomplete or lag operational changes. Owner/operator names are normalized for grouping; counts and capacities are catalogued estimates. Confirm ownership and availability directly with the organization.

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