National Grid

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About National Grid

National Grid is an investor owned company supplying electricity in 3 different states throughout the United States including New York, Massachusetts, and Rhode Island. In addition, this coverage territory incorporates 510 cities within these states. The provider has 2,603,844 electricity customers. There are 2,844 industrial customers, 230,451 commercial customers and 2,370,549 residential customer accounts. On average, National Grid bills their customers a residential electricity rate of 20.02 cents per kilowatt hour, which is, sadly for their consumers, 41.85% above the average US rate of 14.11 cents. They sold 4,973,012 megawatt hours through wholesale channels to other electricity suppliers in 2020. The electricity generated in the company's power plants made up 4,912,615 of the megawatt hours sourced by the company. The purchase of wholesale electricity made up an additional 25,370,052. In 2020, the supplier made a total of $7,239,880,100 from business activities relating to the sale and transfer of electricity. They had revenue of $472,623,800 coming from wholesale electricity sales and $3,638,264,400 from retail sales to end users.

Customers of the supplier pay an average monthly residential electric bill of $123.26. This is 2.14% lower than the nationwide average of $125.95. The electricity grid owned by the provider has an average of 0.75 outages per consumer a year, with outages lasting an average of 165.34 minutes. The US average for other providers is 1.21 outages per consumer and approximately 122.99 minutes each outage. Of the 3509 electricity companies in the United States that we track, National Grid ranks as the 166th highest producer of megawatt hours from solar energy sources, with 3,703 megawatt hours generated. They rank 460th in the country out of the 3509 providers we track for their ratio of renewable versus non-renewable fuels used.

National Grid Net Metering

National Grid, thankfully, offers net metering choices to their consumers. Installation of solar panels and alternative electricity sources is often prohibitively priced for residents. Net metering allows purchasers of these electricity sources to sell excess wattage back into the grid, making the installation of these alternative sources financially possible.

Energy Loss

National Grid has energy loss of 3.73% of their total production from heat dissipation and other causes. This percentage of loss earns them a ranking of 556th best out of 3509 companies who report energy loss in the United States.

National Grid Rate & Electric Bills

National Grid residential electric rates are highest in January and the highest average bill is in August.

Historical Electricity Rates:

Price Per kWhAverage Bill$0.227/kWh$0.148/kWh$152.69/mo.$77.38/mo.
2869th20.02¢National Grid's Average residential price per kWh
1925th$123.26Average monthly electricity bill for National Grid's residential customers

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National Grid Overview

  • Company Type:Investor Owned
  • Subsidiary CompaniesThe Narragansett Electric CoNew England Power CompanyNew England Electric Transmission CorporationNantucket ElectricNiagara Mohawk Power
  • Headquarters:40 Sylvan Road
    Waltham, Massachusetts 02451
    United States of America
  • CEO:Badar Khan

National Grid Contact

National Grid Service

Reduce or replace your electricity bill with solar for as low as $0 down and $79/mo

Quick Facts About National Grid

As the 168th highest producer of electricity in the country, National Grid produces 5,635,253 megawatt hours of electricity.

National Grid is the 143rd largest generator of megawatt hours from non-renewable fuel types out of 3509 companies in the country.

National Grid's electricity generation facilities produce 4,945,242.27 megawatt hours from the burning of natural gas.

National Grid is the 50th largest provider out of 3509 electricity companies in the United States based on megawatt hours sold.

Energy provider of the year for Massachusetts, Major Provider Category
Top 3 Least Outages Per Year
Massachusetts, Major Provider Category
Claim Award
Energy provider of the year for Massachusetts, Major Provider Category
Top 3 Shortest Average Electricity Outages
Massachusetts, Major Provider Category
Claim Award
Energy provider of the year for Massachusetts, Major Provider Category
Highest Ratio of Renewable Electricity
Massachusetts, Major Provider Category
Claim Award

Energy Loss

National Grid's energy loss due to business operations.


Total Energy Loss


556 National Rank

Grid Reliability

Length & Frequency of National Grid's Power Outages

165.34 min.

vs. national average of 122.99 min.

0.75 outages/yr

vs. national average of 1.21

National Grid Energy Makeup

National Grid Coverage Map

Coverage Map Placeholder

National Grid State Coverage

StateCustomersSales ($)State Rank Based On Revenue% of Provider's Residential Sales in State
New York1,477,0412,418,400,611452.15%
Rhode Island452,193815,608,687118.05%

National Grid County Coverage

CountyPopulationProvidersAvg. County Rate (¢)Avg. Electric Bill
Albany County314,8484920.23$148.88/mo
Allegany County46,4565218.70$141.00/mo
Barnstable County228,9963525.31$148.29/mo
Berkshire County129,0263525.21$147.43/mo
Bristol County579,2003825.24$149.59/mo
Bristol County50,793122.87$135.59/mo
Cattaraugus County77,0425218.79$140.66/mo
Cayuga County76,2484918.12$138.71/mo
Chautauqua County127,6575318.73$140.53/mo
Chenango County47,2205217.61$135.49/mo

Power Plants Owned by National Grid

PlantCity/CountyStatePrimary Fuel TypeProduction (MWh)Emission (kg)Emissions/MWhToxic Chemical ReleaseClosing Date
Fort Salonga CDP NY Natural Gas 3,494,6482,094,250,930.19599.27
Barnum Island CDP NY Natural Gas 1,358,517846,104,182.14622.81
Port Jefferson NY Natural Gas 582,466.01375,356,027.06644.43
Holtsville CDP NY Kerosene 36,12140,866,763.21,131.39
East Shoreham CDP NY Distillate Fuel Oil 28,31827,903,732.36985.37
East Hampton North CDP NY Distillate Fuel Oil 12,98612,867,550.35990.88
Glenwood Landing CDP NY Distillate Fuel Oil 4,4985,201,071.11,156.31
East Shoreham CDP NY Distillate Fuel Oil 3,9664,570,106.191,152.32
Dorchester Solar SiteNational Grid (100.00%)
Boston MA Solar 1,519
Greenport NY Distillate Fuel Oil 1,3912,331,392.011,676.05

National Grid Fuel Makeup

Natural Gas
Natural Gas
Natural Gas
Natural Gas
Natural Gas
Natural Gas
Natural Gas
Natural Gas
Natural Gas
Residual Fuel Oil
Residual Fuel Oil
Distillate Fuel Oil

Cities National Grid Has Coverage

* City coverage generated based on government data. Always verify you can get service from the provider.

National Grid Reviews

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National Grid FAQ:

Does National Grid have any subsidiary companies?

National Grid is a parent company of The Narragansett Electric Co, New England Power Company, New England Electric Transmission Corporation, Nantucket Electric, and Niagara Mohawk Power.

What percentage of National Grid's electricity is generated from renewable fuels?

National Grid generates 0.07% of their electricity using renewable fuel types.

How many states does National Grid provider electricity to?

National Grid sells electricity in 3 states.

What is the average bundled bill for National Grid customers each month?

National Grid currently has an average monthly bundled electric bill of $123.26, compared to the national of $125.95 for bundled service.

What is the average BUNDLED electricity rate for National Grid customers?

Customers of National Grid, on average, have an electricity BUNDLED rate 20.02 cents per kilowatt hour (¢/kWh).

What is the phone number for National Grid?

National Grid's customer service phone number is (800) 322-3223

Who is the CEO of National Grid?

National Grid's current CEO is Badar Khan.

How many counties does National Grid provider electricity to?

National Grid offers service to customers in 55 counties.

When will National Grid power be restored?

The average number of minutes for an outage for National Grid's consumers is 165.335 minutes.

What percentage of National Grid's electricity is generated using nonrenewable fuel types?

Electric production plants owned by or associated with National Grid generate 99.94% of their electricity using nonrenewable fuels.

How many power plants are owned by or associated with National Grid?

National Grid is associated with or owns 14 power plants.

What cities does National Grid have customers in in?

National Grid provides electricity in 510 cities.

Last Reviewed By: Nick Reese
Published: 2022-09-27