Trego

OperatingHydro

Ranked #55 of 61 Hydro plants in WI#1380 of 1452 nationally

1.2 MW Hydro operating in Washburn, WI — Midcontinent Independent Transmission System Operator, Inc..

EIAWD

1.2 MW

Nameplate Capacity

Generators

units

Conventional Hydroelectric

Technology

1927

Operating Since

Location

Coordinates

45.9479, -91.8884

County

Washburn, WI

Nearby Plants

Spooner Solar Array
Solar2 MW · 11.3 km

Ownership & Operator

Field	EIA	GEM	Wikidata
Operator	Northern States Power Co - Minnesota	—	—
Owner(s)	Northern States Power Co - Minnesota	—	—
Status	Operating	—	—

Ownership Chain

No GEM tracker match for this plant — ownership chain unavailable.

ApplicantTrego Grid, LLCEnergy Storage News · 2026-04-02

About

The Trego hydroelectric plant is located in Washburn County, Wisconsin. The plant has a total capacity of 1.2 MW and is operated by Northern States Power Co - Minnesota. Commissioned in 1927, the facility utilizes conventional hydroelectric technology and consists of two generators, using water (WAT) as its primary fuel source. Trego operates within the Midcontinent Independent Transmission System Operator (MISO) balancing authority and the MRO NERC region.

In the latest reporting year, Trego generated 6,535 MWh of electricity, achieving a capacity factor of 62.0%. The plant's installed cost was $1,497.97 per kW, according to FERC data. Trego is ranked as the 59th largest power plant in Wisconsin out of 65, and nationally it is ranked 1388 out of 1464.

Generated from EIA, GEM, and public data sources

EIA Plant Profile Wikidata

Engineering & Generators