Nantucket

Nantucket — 22 MW hybrid plant, Nantucket County, MA · Ask the Grid

Generation and physical site

EIA plant 1615 · Inventory reporting month unavailable.

Reported operating nameplate by technology

Petroleum: 16.4 MW
Battery storage: 6 MW

Operating generators only. Battery power is in MW; stored energy is in MWh. These ratings do not establish a shared export limit.

Generator records (3)

EIA generator status and nameplate capacity for selected plant
Generator	Technology	Status	Power (MW)	Energy (MWh)
18	Petroleum Liquids	Operating	15.4	Unknown
19	Petroleum Liquids	Operating	1	Unknown
20	Batteries	Operating	6	Unknown

Sources and observation dates

Inventory source: EIA generator registry
EIA reporting month: Not reported
EIA retrieved: Not reported
OSM extract: Not reported
OSM last mapped edit: Not reported
Map prepared: Not reported
Field verification: Not reported

Reporting month describes the inventory. Retrieval and map preparation describe processing; an OSM edit does not establish an in-service date.

EIA source inventory

Units and generators

Operating generator records and technology attributes reported through EIA-860.

Generator	Capacity	Technology	Operation	Status
18	15.4 MW 13.5 MW summer	Petroleum Liquids Disillate Fuel Oil · GT	Aug 2019	Operating
19	1 MW 1 MW summer	Petroleum Liquids Disillate Fuel Oil · IC	Aug 2019	Operating
20	6 MW 6 MW summer	Batteries Electricity used for energy storage · BA	Jul 2019	Operating

Timeline and sources

Project milestones and public references behind the asset profile.

Project timeline

Jul 2019
Jul 2019
Generator enters operationEIA-860
EIA-860 lists generator 20 with this operating date.
Aug 2019
Aug 2019
Generators enter operationEIA-860
EIA-860 lists generator 18, generator 19 with this operating date.
Oct 2019
Oct 2019
Construction Completionislandready...
IslandReady records confirm that the new diesel generator replacing two aging generators and the new Bunker Road battery storage system were completed in Fall 2019
Oct 8, 2019
Oct 8, 2019
Public unveiling and announcement3blmedia.com
National Grid announced the 6 MW/48 MWh Tesla BESS, the new approximately 15 MW generator, and the associated power-control facilities; the broader IslandReady project cost was approximately $81 million

Sources

PublisherReferenceType

U.S. Energy Information AdministrationEIA-860 generator inventoryFederal registry

U.S. Energy Information AdministrationEIA-923 generation filingsFederal filing

islandreadynantucket.comislandreadynantucket.compublic_source

Common questions about Nantucket

Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.

How big is Nantucket?

Nantucket reports 16.4 MW petroleum + 6 MW battery storage of operating nameplate capacity. These technology ratings do not establish a common export limit. Source: EIA Form 860M.

What kind of plant is Nantucket?

Nantucket is a Petroleum Liquids, Batteries facility in Nantucket County, MA, participating in the ISO-NE market.

Where is Nantucket located?

Nantucket is in Nantucket County, MA, inside the ISO-NE balancing area.

Who operates Nantucket?

Nantucket is operated by Nantucket Electric Co according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.

How much electricity does Nantucket generate?

Nantucket reported -26 MWh over the twelve months to 2024-12. Figures are net generation as filed to EIA-923.

How does Nantucket compare to other plants?

By capacity, Nantucket ranks #212 of 726 operating plants of the same technology nationally. It ranks #7 of 16 in MA.

Overview

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Nantucket

Overview

Structured profile

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Generation and physical site

Reported operating nameplate by technology

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Units and generators

Performance

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Monthly generation

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Transactions and agreements

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