Skip to content

© 2026 ChronopinForecasts Predictions About Privacy policy Terms of use Contact Search guide Embed widget

Search

Jupiter Power: upcoming dates · Chronopin

Chronopin
/
Companies
/
Jupiter Power

Jupiter Power: upcoming dates

Upcoming dates: 5 · All pins: 8

Next: Jupiter Power Callisto II Energy Center: 300-406 MW Battery Under Construction in Houston, Texas, Due Late 2026, November 1, 2026.

All Jupiter Power pins in search

Upcoming

Energy10/16/2026@EnergyDesk
Jupiter Power Callisto II Energy Center: 300-406 MW Battery Under Construction in Houston, Texas, Due Late 2026
12100 Hiram Clarke Rd, Houston, Harris County, Texas 77045Jupiter Power
Starts 11/01/2026DELAYEDDate confidence: DELAYEDThe date has movedHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all DELAYED pins4 months late63% CONFIDENCEOverall confidence: 63%How well the pin's source and references back up its dates.Weighted average of how firmly 4 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins from 50% to 74% confidencein 1 day
Cleanview's EIA-based listing gives November 2026; the earlier ERCOT date (20 Jul 2026, Infrasure^[2]) and the TDLR completion date (1 Aug 2026) have passed without any announcement of commercial operation.
Jupiter Power's Callisto II battery in Houston, Harris County is filed with Texas regulators as a 300 MW two-hour system and sits in ERCOT's queue at about 406 MW; a 258 million USD construction facility closed in April 2026 jointly with Pamela Heights I, and no project-only cost is published.

Related tags

Energy2038
Infrastructure2150
Cleanview1153
Storage300
BESS262
EnergyStorage120
In Progress677
Proposed703
Battery225
ERCOT68

Energy10/20/2026@EnergyDesk

Tompkins Battery Energy Storage System: 100 MW BESS in Jackson County, Michigan

Tompkins Road & Springport Road Corridor, Tompkins Township, Jackson County, MI 49272Jupiter Power

Tompkins Battery Energy Storage System: 100 MW BESS in Jackson County, Michigan

Tompkins Battery Energy Storage System: 100 MW BESS in Jackson County, Michigan

Tompkins Battery Energy Storage System: 100 MW BESS in Jackson County, Michigan

Starts 11/01/2026ESTIMATEDDate confidence: ESTIMATEDA target, not a fixed dateHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all ESTIMATED pins65% CONFIDENCEOverall confidence: 65%How well the pin's source and references back up its dates.Weighted average of how firmly 3 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins from 50% to 74% confidencein 1 day

Jupiter Power^[1] regional project development schedule and MISO queue establish commercial operation for late 2026.

Jupiter Power is constructing the 100 MW / 400 MWh utility-scale Tompkins Battery Energy Storage System in Tompkins Township, Jackson County, Michigan. Interconnecting into the regional 138 kV grid within the Midcontinent Independent System Operator (MISO) footprint, the four-hour standalone lithium-ion installation bolsters grid flexibility and capacity reserves across lower Michigan.

15

Energy10/20/2026@EnergyDesk

Voyager Battery Energy Storage Facility: 100 MW BESS in Washtenaw County, Michigan

West Michigan Avenue & Dell Road, Saline Township, MI 48176Jupiter Power

Voyager Battery Energy Storage Facility: 100 MW BESS in Washtenaw County, Michigan

Voyager Battery Energy Storage Facility: 100 MW BESS in Washtenaw County, Michigan

Voyager Battery Energy Storage Facility: 100 MW BESS in Washtenaw County, Michigan

Starts 02/01/2027ESTIMATEDDate confidence: ESTIMATEDA target, not a fixed dateHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all ESTIMATED pins75% CONFIDENCEOverall confidence: 75%How well the pin's source and references back up its dates.Weighted average of how firmly 4 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins at 75% confidence or betterin 93 days

Jupiter Power financing release and MISO interconnection queue project commercial operation for early 2027.^[1]

Jupiter Power is building the 100 MW Voyager Battery Energy Storage Facility in Saline Township, Washtenaw County, Michigan. Interconnecting to DTE Energy’s Dorset Substation within the MISO market and backed by a long-term capacity contract with Consumers Energy, the facility closed project financing under a $294 million senior credit facility to provide dispatchable clean capacity and prevent regional blackout risks.

15

Energy10/15/2026@EnergyDesk

Jupiter Power Trimount: 700 MW / 2,800 MWh Battery at the Former Exxon Terminal in Everett, Massachusetts, 500M+ USD

Beacham Street, Everett, Middlesex County, Massachusetts, United StatesJupiter Power

Jupiter Power Trimount: 700 MW / 2,800 MWh Battery at the Former Exxon Terminal in Everett, Massachusetts, 500M+ USD

Jupiter Power Trimount: 700 MW / 2,800 MWh Battery at the Former Exxon Terminal in Everett, Massachusetts, 500M+ USD

Jupiter Power Trimount: 700 MW / 2,800 MWh Battery at the Former Exxon Terminal in Everett, Massachusetts, 500M+ USD

Starts 01/01/2028ESTIMATEDDate confidence: ESTIMATEDA target, not a fixed dateHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all ESTIMATED pins59% CONFIDENCEOverall confidence: 59%How well the pin's source and references back up its dates.Weighted average of how firmly 3 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins from 50% to 74% confidencein 1.2 years

Jupiter's CEO hoped for operation in 2027 (2024 interview); reporting after the February 2026 approval says construction could start at the end of 2026 and earlier reports target 2027 or 2028; Cleanview lists a Jupiter Middlesex County project for May 2028.^[1]

Jupiter Power won state siting approval in February 2026 for Trimount, a 700 MW / 2,800 MWh battery system on the former ExxonMobil terminal in Everett, Massachusetts, the largest planned in New England; the company put the investment above 500M USD.

$500M

14

Energy10/20/2026@EnergyDesk

Naugatuck Avenue Battery Storage: 200 MW BESS in New Haven County, Connecticut

734 Naugatuck Avenue, Milford, New Haven County, CT 06460Jupiter Power

Naugatuck Avenue Battery Storage: 200 MW BESS in New Haven County, Connecticut

Naugatuck Avenue Battery Storage: 200 MW BESS in New Haven County, Connecticut

Naugatuck Avenue Battery Storage: 200 MW BESS in New Haven County, Connecticut

Starts 10/01/2028ESTIMATEDDate confidence: ESTIMATEDA target, not a fixed dateHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all ESTIMATED pins66% CONFIDENCEOverall confidence: 66%How well the pin's source and references back up its dates.Weighted average of how firmly 3 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins from 50% to 74% confidencein 1.9 years

Connecticut DEEP procurement award and ISO-NE interconnection queue milestones specify commercial operation in October 2028.^[1]

Jupiter Power, backed by BlackRock's Global Infrastructure Partners, is developing the 200 MW utility-scale Naugatuck Avenue Battery Storage project in Milford, New Haven County, Connecticut. Formally selected by the Connecticut Department of Energy and Environmental Protection (DEEP) in its competitive zero-carbon procurement, the standalone four-hour BESS repurposes industrial land along the Naugatuck Avenue utility corridor to provide 800 MWh of flexible capacity, reduce winter peak dependence on natural gas, and enhance ISO New England grid reliability.

16

Recent

Energy10/15/2026@EnergyDesk
Jupiter Power Barton Branch IA Battery: 200 MW in Robertson County, Texas, Under Construction for October 2026
Robertson County, Texas, near the Phillips Coal 138 kV substationJupiter Power
Starts 10/01/2026ESTIMATEDDate confidence: ESTIMATEDA target, not a fixed dateHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all ESTIMATED pins68% CONFIDENCEOverall confidence: 68%How well the pin's source and references back up its dates.Weighted average of how firmly 4 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins from 50% to 74% confidence30 days ago
ERCOT queue 22INR0504 (203.62 MW) shows a projected commercial operation of October 2026 per Infrasure^[2] and Cleanview^[4]; no developer date was found.
Jupiter Power's Barton Branch IA battery in Robertson County, Texas is listed at 200 MW (EIA) or 203.6 MW (ERCOT), under construction with operation expected October 2026; it is one of three Texas projects in a 536 million USD July 2026 financing, and no project cost has been published.
Energy10/18/2026@EnergyDesk
Naugatuck Avenue: Connecticut Selects 200 MW Jupiter Power Storage Proposal
Naugatuck Avenue Storage Facility, Naugatuck Avenue Industrial Corridor, Milford, CT 06460Jupiter Power
Starts 12/20/2024CONFIRMEDDate confidence: CONFIRMEDStated as firmHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all CONFIRMED pins95% CONFIDENCEOverall confidence: 95%How well the pin's source and references back up its dates.Weighted average of how firmly 3 references support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins at 75% confidence or better1.9 years ago
The cited project source establishes 2024-12-20. Preserve the stated precision; a year, month or quarter anchor is not an announced exact opening day.
Connecticut selected Jupiter Power’s 200 MW Naugatuck Avenue battery project in its December 2024 solicitation. Selection begins contract negotiations; it does not establish construction, a $240 million budget or an opening date.
Energy10/19/2026@EnergyDesk
Two Rivers Storage: 150 MW PJM Storage Request AF2-415
Hudson County, New Jersey, United StatesJupiter Power
Starts 05/13/2024CONFIRMEDDate confidence: CONFIRMEDStated as firmHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all CONFIRMED pins95% CONFIDENCEOverall confidence: 95%How well the pin's source and references back up its dates.Weighted average of how firmly 3 references support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins at 75% confidence or better2.5 years ago
The cited project source establishes 2024-05-13. Preserve the stated precision; a year, month or quarter anchor is not an announced exact opening day.
PJM’s 2024-05-13 study identifies request AF2-415 as a proposed 150 MW battery-storage facility in Hudson County, New Jersey. The study does not establish commercial operation.

Under Construction196