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58 MW Conventional Hydroelectric (27 MW) + Hydroelectric Pumped Storage (31 MW) operating in Ralls, MO — Associated Electric Cooperative, Inc.
58 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Conventional Hydroelectric + Hydroelectric Pumped Storage
1984
Operating Since
Coordinates
39.5248, -91.6440
County
Ralls, MO
Nearby Plants
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 | USCE-St Louis District | US Army Corps of Engineers - Louis District | — |
| Owner(s) | USCE-St Louis District | US Army Corps of Engineers - Louis District | — |
| Status | Operating | operating | — |
GEM identifies the owner as US Army Corps of Engineers - Louis District
This entity is not yet in the GEM ownership database — chain unavailable.
The Clarence Cannon plant is a 58 MW hybrid hydroelectric facility located in Ralls County, Missouri. It began operating in 1984 and is owned and operated by USCE-St Louis District. The plant utilizes water as its primary fuel source and incorporates both conventional hydroelectric and pumped storage technologies. It consists of two generators.
Clarence Cannon's latest annual generation was 95,698 MWh, resulting in a capacity factor of 18.9%. The plant operates within the Associated Electric Cooperative, Inc. balancing authority and the SERC NERC region. It is ranked as the 5th largest of 8 hydroelectric plants in Missouri, and 280th out of 1464 nationally.
Generated from EIA, GEM, and public data sources
Grid Region
Southeast
Market
SEEM Participant
NERC Region
SERC — SERC Reliability Corporation
Balancing Authority
1.1K MWh
Net Discharge
95.7K MWh
Annual Net Energy
18.9%
Capacity Factor
Positive values indicate net discharge (generation exceeds station load). Negative values indicate net charging. Pure battery storage plants are typically net negative due to round-trip efficiency losses.
2013
$2,294/kW
Est. Construction Cost
Total estimated cost: $133.1M
This plant's balancing authority participates in the Southeast Energy Exchange Market (SEEM). SEEM is a bilateral exchange — no public nodal pricing.
No news articles linked yet for this plant.
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No ask pi reports yet for this entity.
ask pi about Clarence CannonAssociated Electric Cooperative, Inc. (AECI)
Grid Voltage
69.0 kV
Regulatory Status
RE — Regulated
Entity Type
Federal
Sector
Electric Utility