State queue · Massachusetts

Massachusetts interconnection queue

29 proposed generation and storage projects — 29 active and 0 suspended — are in Massachusetts's interconnection queue, primarily in the ISO New England, totaling 9.18 GW of requested capacity. Battery leads with 5.17 GW.

29
Proposed projects
9.18 GW
Requested capacity
Battery
Largest resource type
2027
Median planned online year

Requested capacity by resource type

Battery 56.3%Offshore Wind 43.5%Solar 0.1%Hydro 0.1%Wind 0.1%Gas 0.0%

Proposed projects by resource type

Battery projects21 · 5.17 GW

Also in the queue (too few for a dedicated page): Offshore Wind (4), Solar (1), Hydro (1), Wind (1), Gas (1).

All proposed projects in Massachusetts

TypeRegion
Bay State Wind 4 Offshore Wind
944
Offshore WindISO-NE—1.20 GW20192033
SouthCoast Wind 1
1116
Offshore WindISO-NE—1.20 GW20212030
Vineyard Offshore Wind
624
Offshore WindISO-NE—800 MW20162026
Park City Offshore Wind
700
Offshore WindISO-NE—791 MW20172029
Battery Storage
1143
BatteryISO-NEMiddlesex508.2 MW20212027
Battery Storage
1543
BatteryISO-NEBarnstable500 MW20242028
Battery Storage
1567
BatteryISO-NEMiddlesex500 MW20242028
Battery Storage
1238
BatteryISO-NENorfolk300 MW20222027
Battery Storage
1513
BatteryISO-NEWorcester300 MW20242028
Lite Brite Battery Storage
1148
BatteryISO-NESuffolk300 MW20212028
Battery Storage
1515
BatteryISO-NEBerkshire290 MW20242028
Battery Storage
1365
BatteryISO-NEHampden250 MW20232029
Hecate Energy Eastern Ave Energy Center
1115
BatteryISO-NESuffolk250 MW20212027
Medway Grid Battery Storage
844
BatteryISO-NENorfolk250 MW20192025
Battery Storage
1557
BatteryISO-NEEssex225 MW20242027
Norman Street Battery Storage
1110
BatteryISO-NEMiddlesex204 MW20212028
Battery Storage
1320
BatteryISO-NEWorcester203.9 MW20222026
Battery Storage
1555
BatteryISO-NEEssex200 MW20242027
Battery Storage
1551
BatteryISO-NEWorcester180 MW20242028
Energy Storage
877
BatteryISO-NENorfolk170 MW20192027
Battery Storage
1412
BatteryISO-NEBristol168 MW20232027
Battery Storage
1518
BatteryISO-NEBerkshire136 MW20242028
Battery Storage
1553
BatteryISO-NEMiddlesex125 MW20242028
Bear Swamp Unit 1 and 2 Upgrade
592
BatteryISO-NEBerkshire66 MW20162023
West Springfield 45 MW BESS
1272
BatteryISO-NEHampden45 MW20222029
Solar
703
SolarISO-NEPlymouth6.8 MW20182019
Battery addition
1149
HydroISO-NEFranklin6.7 MW20212027
Berkshire Wind Increase
396
WindISO-NEBerkshire4.6 MW20122019
NEA Bell. Uprate (Northeast Energy Associates, LP)
546
GasISO-NENorfolk1.4 MW20152018

See 658 operating plants in Massachusetts · Region: ISO New England.

Source: "Queued Up" (Rand et al., Lawrence Berkeley National Laboratory, 2026 edition). Data: LBNL backbone through December 31, 2025; ISO-region statuses refreshed monthly (last: July 2026); non-ISO West and Southeast as of the LBNL edition.