Tranquillity ID
Solar power plant in Fresno County, California. 1.3 MW of nameplate capacity across 1 generator, operated by Tranquillity Solar 1, LLC.
Also known as EIA plant 64376
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 1.3 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- March 2018First generator online
- Operator
- Tranquillity Solar 1, LLCEIA operator ID 63992
- Grid
- CAISOBalancing authority CISO
- Price nodes
- None linkedNo verified ISO node
- Location
- Fresno County, CA36.6480, −120.2459
- EIA plant ID
- 64376EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Tranquillity ID produces
Free · EIA-923Net generation, 2025
2.49 GWh
2,494 MWh, final
Capacity factor, 2025
21.9%
2024: 24.3%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2020 to 2025
2.5–3.2
GWh a year. Low 2025, high 2022
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | Not reported | Not reported | 0 of 12 |
| 2003 | Not reported | Not reported | 0 of 12 |
| 2004 | Not reported | Not reported | 0 of 12 |
| 2005 | Not reported | Not reported | 0 of 12 |
| 2006 | Not reported | Not reported | 0 of 12 |
| 2007 | Not reported | Not reported | 0 of 12 |
| 2008 | Not reported | Not reported | 0 of 12 |
| 2009 | Not reported | Not reported | 0 of 12 |
| 2010 | Not reported | Not reported | 0 of 12 |
| 2011 | Not reported | Not reported | 0 of 12 |
| 2012 | Not reported | Not reported | 0 of 12 |
| 2013 | Not reported | Not reported | 0 of 12 |
| 2014 | Not reported | Not reported | 0 of 12 |
| 2015 | Not reported | Not reported | 0 of 12 |
| 2016 | Not reported | Not reported | 0 of 12 |
| 2017 | Not reported | Not reported | 0 of 12 |
| 2018 | Not reported | Not reported | 0 of 12 |
| 2019 | Not reported | Not reported | 0 of 12 |
| 2020 | 3,040 | 26.6% | 12 of 12 |
| 2021 | 2,931 | 25.7% | 12 of 12 |
| 2022 | 3,193 | 28.0% | 12 of 12 |
| 2023 | 3,096 | 27.2% | 12 of 12 |
| 2024 | 2,780 | 24.3% | 12 of 12 |
| 2025 | 2,494 | 21.9% | 12 of 12 |
| 2026 (provisional, partial year) | Not reported | Not reported | 0 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| TRANQ | Solar Photovoltaic | 1.3 | March 2018 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Tranquillity Solar 1, LLC as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Modeled curtailment
A range, not one number. The lower bound counts hours inside the production tax credit window; the upper bound is the no-credit case.
Expected vs reported generation
Monthly modeled expected output and physical potential next to EIA-923 reported output.
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Questions about Tranquillity ID
How much power does Tranquillity ID produce?
Tranquillity ID reported 2,494 MWh (2.49 GWh) of net generation in 2025, a 21.9% capacity factor on 1.3 MW of nameplate capacity.
Where is Tranquillity ID?
Tranquillity ID is in Fresno County, California, at 36.6480, −120.2459. It is in the California Independent System Operator balancing area (CISO).
Who operates Tranquillity ID?
EIA-860M for August 2026 lists Tranquillity Solar 1, LLC as the operator (EIA operator ID 63992). The operator is not always the owner.
When did Tranquillity ID start operating?
Its first generator began operating in March 2018, according to EIA-860M.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page