Flatiron Energy
Flatiron Energy has 4 planned power projects totaling 895.6 MW in the FieldProspects database and no operating project on record. 72% of the planned capacity has an interconnection agreement and 0% is past its listed in-service date. The projects sit in 2 states and 1 technology.
Where Flatiron Energy's planned pipeline sits
Planned MW by state. The 2 largest states hold 895.5 MW of the 895.6 MW.
Largest states
- Massachusetts753.9 MW3 projects, 84% of planned
- Connecticut141.6 MW1 project, 16% of planned
and no operating project on record yet. Everything here is pipeline.
View as table
| Technology | Planned projects | Planned MW | Operating projects | Operating MW |
|---|---|---|---|---|
| Battery Storage | 4 | 895.6 MW | 0 | 0 MW |
MW by technologyBattery Storage has no operating projects
How much of the pipeline is real
An interconnection agreement and a construction start are the two strongest signals that a queue project will be built. A listed date that has already passed is the strongest sign it will not be built on time.
Share of Flatiron Energy's planned MWSee the queue slip report
Planned MW by listed in-service year
Projects listed before 2026 and still planned are past due.
View as table
| Year | Projects | MW |
|---|---|---|
| 2026 | 0 | 0 MW |
| 2027 | 2 | 453.9 MW |
| 2028 | 1 | 300 MW |
| 2029 | 1 | 141.6 MW |
Pipeline by grid and queue year
Flatiron Energy's planned MW sits entirely in ISO New England.
Planned MW by grid operator
4 planned projects
View as table
| Grid | Planned projects | Planned MW |
|---|---|---|
| ISO New England | 4 | 895.6 MW |
When the planned projects entered the queue
Planned MW by queue request year. 2022 was the biggest year.
View as table
| Queue year | Projects | MW |
|---|---|---|
| 2021 | 1 | 300 MW |
| 2022 | 2 | 345.6 MW |
Changes since the June 4, 2026 snapshot
What moved in Flatiron Energy's queue position between June 4, 2026 and October 8, 2026.
Which projects were added, finished, cancelled or shelved
| Change | Project | Technology | State | MW | Grid |
|---|---|---|---|---|---|
Members see each changed project with its name, location and dates, and get an email when Flatiron Energy's pipeline moves.
Flatiron Energy against the nine largest developers
The nine largest planned pipelines in the database, ranked by planned MW. NextEra Energy leads with 36.8 GW planned. Flatiron Energy ranks 189 of 815 developers with a planned project.
| # | Developer | Planned projects | Planned MW | Operating projects | Operating MW | Operating per planned |
|---|---|---|---|---|---|---|
| 1 | NextEra Energy | 191 | 75 | 0.32 | ||
| 2 | Invenergy | 135 | 28 | 0.17 | ||
| 3 | Intersect Power | 54 | 5 | 0.05 | ||
| 4 | Hecate Energy | 41 | 8 | 0.06 | ||
| 5 | Engie | 80 | 51 | 0.24 | ||
| 6 | RWE | 78 | 20 | 0.25 | ||
| 7 | Avantus | 49 | 10 | 0.14 | ||
| 8 | EDF Renewables | 54 | 15 | 0.12 | ||
| 9 | OCI Energy | 45 | 1 | 0.01 | ||
| 189 | Flatiron Energy this page | 4 | 0 | 0.00 |
Operating per planned is operating MW divided by planned MW. A low ratio means a pipeline far larger than the fleet already built.
Top 9 by planned MW, plus Flatiron EnergyEvery Flatiron Energy project
All 4 projects with name, county, grid, MW, queue date, in-service date, interconnection status and construction status. Filter, sort and export to Excel.
| Project | County | Grid | MW | Queue date | In service | Agreement |
|---|---|---|---|---|---|---|
Project names never appear next to their developer on public pages. Members see both.
Get alerts for Flatiron Energy
We email you when Flatiron Energy adds a project, signs an interconnection agreement, starts construction, slips a date or drops a project. One email per snapshot, only when something changed.
See every Flatiron Energy project, with its county, dates and queue status.
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