Sun Streams 2
Solar power plant in Maricopa County, Arizona. 150 MW of nameplate capacity across 1 generator, operated by Sun Streams 2, LLC.
Also known as EIA plant 63440
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 150 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- June 2021First generator online
- Operator
- Sun Streams 2, LLCEIA operator ID 64851
- Grid
- CAISOBalancing authority CISO
- Price nodes
- 1 CAISO nodeResource nodes with prices
- Location
- Maricopa County, AZ33.3204, −112.8168
- EIA plant ID
- 63440EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Sun Streams 2 produces
Free · EIA-923Net generation, 2025
328 GWh
328,214 MWh, final
Capacity factor, 2025
25.0%
2024: 23.7%
January to July 2026
163 GWh
Provisional
Range, 2022 to 2025
311.9–395.4
GWh a year. Low 2024, 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 | Not reported | Not reported | 0 of 12 |
| 2021 | 249,504 | Not reported | 7 of 12 |
| 2022 | 395,420 | 30.1% | 12 of 12 |
| 2023 | 366,292 | 27.9% | 12 of 12 |
| 2024 | 311,886 | 23.7% | 12 of 12 |
| 2025 | 328,214 | 25.0% | 12 of 12 |
| 2026 (provisional, partial year) | 162,890 | 21.3% | 7 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 account · CAISOEmissions
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 |
|---|---|---|---|
| GEN01 | Solar Photovoltaic | 150.0 | June 2021 |
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 Sun Streams 2, 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 Sun Streams 2
How much power does Sun Streams 2 produce?
Sun Streams 2 reported 328,214 MWh (328 GWh) of net generation in 2025, a 25.0% capacity factor on 150 MW of nameplate capacity. From January to July 2026 it reported 163 GWh, which is provisional.
Where is Sun Streams 2?
Sun Streams 2 is in Maricopa County, Arizona, at 33.3204, −112.8168. It is in the California Independent System Operator balancing area (CISO).
Who operates Sun Streams 2?
EIA-860M for August 2026 lists Sun Streams 2, LLC as the operator (EIA operator ID 64851). The operator is not always the owner.
When did Sun Streams 2 start operating?
Its first generator began operating in June 2021, according to EIA-860M.
Does InfraMap have power prices for Sun Streams 2?
Yes. InfraMap has CAISO day-ahead and real-time prices at 1 price node linked to Sun Streams 2, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.
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)
- CAISO day-ahead and real-time prices; node and hub assignments as of 2026-10-05
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page