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200 MW Batteries (50 MW) + Solar Photovoltaic (150 MW) operating in Lowndes, MS
200 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
2024
Operating Since
Coordinates
33.4155, -88.6223
County
Lowndes, MS
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Origis Energy USA, Inc | Origis Energy | — |
| Owner(s) | Origis Energy USA, Inc | Origis Energy | — |
| Status | Operating | operating | — |
GEM identifies the owner as Origis Energy
This entity is not yet in the GEM ownership database — chain unavailable.
Golden Triangle II is a 200 MW hybrid power plant located in Lowndes County, Mississippi. The facility, owned and operated by Origis Energy USA, Inc., commenced operations in 2024. It combines solar photovoltaic generation with battery energy storage, using single-axis trackers for the solar panels. The plant's battery energy storage system (BESS) has a capacity of 200 MWh and a duration of 4 hours, utilizing lithium-ion battery chemistry (LIB). The primary fuel type is listed as MWH, reflecting the hybrid nature of the plant.
Golden Triangle II operates within the Tennessee Valley Authority balancing authority and the SERC NERC region. In its latest year of operation, the plant generated 319,334 MWh, achieving a capacity factor of 18.2%. Financial data is available for the plant, sourced from LBNL Solar. The plant is ranked as the 3rd largest in Mississippi and 293rd nationally.
Generated from EIA, GEM, and public data sources
Grid Region
Southeast
Market
SEEM Participant
NERC Region
SERC — SERC Reliability Corporation
Balancing Authority
Tennessee Valley Authority (TVA)
Grid Voltage
161.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
15.7K MWh
Latest Month
319.3K MWh
Annual Generation
18.2%
Capacity Factor
Forward-looking generation outlook with probabilistic ranges across weather, demand, and policy scenarios. Powered by InfraSure's generation modeling stack.
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Historic financial signal for this asset — PPA, LCOE, market value where reported. The base for forward bankability and insurance analytics on the InfraSure platform.
Data from 2024
$45.6/MWh
LCOE
Forward revenue, DSCR bands, and refinancing risk projected under price, demand, and policy scenarios. Powered by InfraSure's asset cashflow stack.
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This plant's balancing authority participates in the Southeast Energy Exchange Market (SEEM). SEEM is a bilateral exchange — no public nodal pricing.
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
Last updated 2026-03-26
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