Optimist — Plant Summary
- EIA Plant ID
- 68536
- Capacity
- 250 MW
- Primary Fuel
- Solar
- Technology
- Batteries, Solar Photovoltaic
- Status
- Under construction
- Location
- Clay, MS
- Operating Since
- —
- Generators
- 2
- Operator
- Origis Energy USA, Inc
- Parent Company
- —
- Balancing Authority
- Tennessee Valley Authority
- ISO/RTO
- —
- NERC Region
- SERC
Optimist
Under constructionBESSSolarHybridGEM: pre-construction
Ranked #2 of 35 Solar plants in MS#223 of 7447 nationally
250 MW Batteries (50 MW) + Solar Photovoltaic (200 MW) under construction in Clay, MS — Tennessee Valley Authority
EIAGEM
250 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
—
Operating Since
Location
Coordinates
33.6435, -88.5940
County
Clay, MS
Nearby Plants
- SR MagnoliaSolar160 MW · 24.8 km
- Golden TriangleBESS250 MW · 25.1 km
- Golden Triangle IIBESS200 MW · 25.5 km
Ownership & Operator
Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Origis Energy USA, Inc | Origis Energy | — |
| Owner(s) | Origis Energy USA, Inc | Origis Energy [100%] | — |
| Status | Under construction | pre-construction | — |
Ownership Chain
GEM identifies the owner as Origis Energy [100%]
This entity is not yet in the GEM ownership database — chain unavailable.
About
The Optimist power plant, located in Clay County, Mississippi, is a hybrid solar and battery energy storage facility with a total capacity of 250 MW. The plant is operated by Origis Energy USA, Inc. and utilizes both solar photovoltaic technology and battery storage. The primary fuel type is listed as MWH, reflecting the energy storage component. The solar component uses a fixed tilt tracking system.
The Optimist plant is interconnected to the Tennessee Valley Authority (TVA) balancing authority and operates within the SERC NERC region. It is ranked as the largest of three hybrid plants in Mississippi and 207th out of 514 such plants nationally. The plant consists of two generators.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
SERC
Balancing Authority
Tennessee Valley Authority
Grid Voltage
161 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
No generation data available for this plant.
Financial Data
No financial data available for this plant.
Pricing & Market Data
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
News & Articles (10)Beta
Industry·corporate
The Year Ahead 2026: Optimism with Footnotes | Bill Gates
I have always been an optimist. When I founded Microsoft, I believed a digital revolution powered by great software would make the world a better place.
Bill Gates (other)Microsoft (other)
gatesnotes.com·2 months ago
Industry·corporate
'Rational optimist': sci-fi writer Liu Cixin on why he'll be happy if AI surpasses humans
Born in 1963 and raised in Shanxi, Liu started his working life as a computer engineer at a power plant in the central province.
Liu Cixin (other)
Yahoo·3 months ago
General
Origis Energy Secures Tax Equity Commitment and Initial Funding with J.P. Morgan for Wheatland Solar
PRNewswire/ -- Origis Energy, one of America's leading renewable energy and decarbonization solution platforms, today announced it has...
PR Newswire·3 months ago
General
Origis Energy Secures Tax Equity Commitment and Initial Funding with J.P. Morgan for Wheatland Solar
PRNewswire/ -- Origis Energy, one of America's leading renewable energy and decarbonization solution platforms, today announced it has...
PR Newswire·3 months ago
Last updated 2026-03-14
View all 10 articles