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United States β€Ί Grid β€Ί Interconnection queues β€Ί Massachusetts

OCTARY USA Β· INTERCONNECTION QUEUES

Interconnection queue in Massachusetts

Before a new power plant or battery can connect to the US grid, it joins a queue for studies and an interconnection agreement. Most requests never get built. This shows every request: active, built and withdrawn.

Requests shown3511.2 GW
Active in queue11.2 GW35 requests
Agreement signed6,013 MW17 requests
Withdrawn37048.3 GW never built

Map

Loading requests…
In studyAgreement signedUnder constructionBuiltSuspendedWithdrawn

Requests

35 requests
ProjectCapacityStatusLocationRegionQueuedOnline
SouthCoast Wind 1
Offshore wind		 1,200 MWAgreement signed MAISO-NE Apr 2021target 2031
Bay State Wind 4 Offshore Wind
Offshore wind		 1,200 MWAgreement signed MAISO-NE Dec 2019target 2033
Offshore Wind
Offshore wind		 827 MWIn study MAISO-NE Dec 2018target 2032
Vineyard Offshore Wind
Offshore wind		 800 MWAgreement signed MAISO-NE Nov 2016target 2026
Park City Offshore Wind
Offshore wind		 791 MWAgreement signed MAISO-NE Dec 2017target 2029
Battery Storage
Battery storage		 508 MWAgreement signed Middlesex, MAISO-NE Jun 2021target 2028
Battery Storage
Battery storage		 500 MWIn study Middlesex, MAISO-NE Jun 2024target 2028
Battery Storage
Battery storage		 500 MWIn study Barnstable, MAISO-NE May 2024target 2028
Offshore Wind Inc. (Q806)
Offshore wind		 487 MWIn study MAISO-NE Mar 2021target 2032
Battery Storage
Battery storage		 350 MWIn study Bristol, MAISO-NE Oct 2023target 2027
Lite Brite Battery Storage
Battery storage		 306 MWAgreement signed Suffolk, MAISO-NE Jul 2021target 2028
Battery Storage
Battery storage		 300 MWIn study Norfolk, MAISO-NE Mar 2022target 2028
Battery Storage
Battery storage		 300 MWIn study Worcester, MAISO-NE Apr 2024target 2028
Battery Storage
Battery storage		 290 MWIn study Berkshire, MAISO-NE Apr 2024target 2028
Medway Grid Battery Storage
Battery storage		 250 MWAgreement signed Norfolk, MAISO-NE Mar 2019target 2025
Battery Storage
Battery storage		 250 MWIn study Hampden, MAISO-NE Mar 2023target 2029
Hecate Energy Eastern Ave Energy Center
Battery storage		 250 MWAgreement signed Suffolk, MAISO-NE Apr 2021target 2026
Battery Storage
Battery storage		 225 MWIn study Essex, MAISO-NE Jun 2024target 2028
Norman Street Battery Storage
Battery storage		 204 MWAgreement signed Middlesex, MAISO-NE Mar 2021target 2028
Battery Storage
Battery storage		 204 MWAgreement signed Worcester, MAISO-NE Oct 2022target 2027
Battery Storage
Battery storage		 200 MWIn study Essex, MAISO-NE Jun 2024target 2028
Battery Storage
Battery storage		 180 MWIn study Worcester, MAISO-NE May 2024target 2028
Battery Storage
Battery storage		 170 MWIn study Berkshire, MAISO-NE May 2024target 2029
Battery Storage
Battery storage		 170 MWIn study Hampden, MAISO-NE May 2024target 2029
Energy Storage
Battery storage		 170 MWAgreement signed Norfolk, MAISO-NE Apr 2019target 2027
Battery Storage
Battery storage		 168 MWIn study Bristol, MAISO-NE Jun 2023target 2027
Battery Storage
Battery storage		 136 MWIn study Berkshire, MAISO-NE Apr 2024target 2028
Battery Storage
Battery storage		 125 MWIn study Middlesex, MAISO-NE Jun 2024target 2028
Bear Swamp Unit 1 and 2 Upgrade
Battery storage		 66.0 MWAgreement signed Berkshire, MAISO-NE Jan 2016target 2023
West Springfield 45 MW BESS
Battery storage		 45.0 MWAgreement signed Hampden, MAISO-NE Jun 2022target 2029
Offshore wind Inc (QP700)
Offshore wind		 18.0 MWIn study MAISO-NE Aug 2021target 2026
Solar
Solar		 6.8 MWAgreement signed Plymouth, MAISO-NE Jan 2018target 2019
Battery addition
Other		 6.7 MWAgreement signed Franklin, MAISO-NE Aug 2021target 2027
Berkshire Wind Increase
Onshore wind		 4.6 MWAgreement signed Berkshire, MAISO-NE Aug 2012target 2019
NEA Bell. Uprate (Northeast Energy Associates, LP)
Gas		 1.4 MWAgreement signed Norfolk, MAISO-NE Mar 2015target 2018

Capacity in the queue by state

Click a state to drill down.

AK–ME1GWVT129MWNH125MWWA58GWID21GWMT15GWND14GWMN28GWIL75GWWI27GWMI59GWNY26GWRI982MWMA11GWOR112GWNV82GWWY19GWSD9.6GWIA24GWIN60GWOH20GWPA12GWNJ16GWCT678MWCA179GWUT34GWCO43GWNE17GWMO30GWKY21GWWV6.9GWVA30GWMD5.9GWDE874MWAZ109GWNM34GWKS33GWAR35GWTN14GWNC21GWSC20GWDC–OK52GWLA38GWMS17GWAL14GWGA46GWHI–TX476GWFL24GW

By grid region

ISO/RTO markets and the non-ISO West and Southeast.

Requests by year joined

Capacity of requests in this view, by the year they entered the queue. Click a year.

20122024

Source: Rand, J. et al., Queued Up, Lawrence Berkeley National Laboratory, data through end of 2025. Compiled from the queues of the 7 ISO/RTOs and dozens of non-ISO utilities. A request is a proposal to connect, not a commitment to build: historically most are withdrawn. Capacity is the requested interconnection size; hybrids include the storage component. Transmission lines Β· Planned power plants (EIA)