Pomeroy Wind Farm

OperatingWindGEM: retired

Ranked #11 of 122 Wind plants in IA#132 of 1442 nationally

286.4 MW Wind operating in Pocahontas, IA — Midcontinent Independent Transmission System Operator, Inc..

EIAGEMWD

286.4 MW

Nameplate Capacity

Generators

units

Onshore Wind Turbine

Technology

2007

Operating Since

Location

Coordinates

42.5978, -94.7533

County

Pocahontas, IA

Nearby Plants

Pocahontas Prairie Wind Farm
Wind80 MW · 11.6 km
West Diesel Generation Unit
Distillate Oil4 MW · 16.4 km
Laurens
Distillate Oil9.1 MW · 29.0 km

Ownership & Operator

Field	EIA	GEM	Wikidata
Operator	MidAmerican Energy Co	EDF Renewables	—
Owner(s)	MidAmerican Energy Co	Berkshire Hathaway	—
Status	Operating	retired	—

Ownership Chain

About

The Pomeroy Wind Farm is a 286.4 MW wind power plant located in Pocahontas County, Iowa. The plant began operating in 2007 and consists of four onshore wind turbine generators. The facility is owned by Berkshire Hathaway and operated by MidAmerican Energy Co. It utilizes Siemens Gamesa Renewable Energy SG2.66-129 turbines, with a rotor diameter of 129 meters and a hub height of 80 meters. Pomeroy Wind Farm ranks as the 11th largest wind farm in Iowa out of 54, and 131st nationally out of 734.

The plant operates within the Midcontinent Independent Transmission System Operator (MISO) balancing authority and the MRO NERC region. In its most recent year of operation, the plant generated 1,003,340 MWh of electricity, achieving a capacity factor of 40.1%. The installed cost of the plant was $1,870.81 per kW, according to FERC data.

Generated from EIA, GEM, and public data sources

EIA Plant Profile Wikidata Global Energy Monitor

Engineering & Generators

Grid Context

NERC Region

MRO

Balancing Authority

Midcontinent Independent Transmission System Operator, Inc..

Grid Voltage

161 kV

Regulatory Status

Entity Type

Investor-Owned Utility

Sector

Electric Utility

Generation

101.9K MWh

Latest Month

1.0M MWh

Annual Generation

40.1%

Capacity Factor

Jan 2023 – Dec 2025

Financial DataBeta

Source: FERC Form 1HIGH

$1,834/kW

Installed Cost

MidAmerican Energy Company

Reporting Utility

Cumulative Installed Cost

Per-Unit Cost Trends

Pricing & Market Data

HIGH confidence

Point of Interconnection

Nearest Substation

Pomeroy Wind Farm · 161 kV

Substation Distance

< 10 km

Operator

MidAmerican Energy

Coord Source

OSM spatial

Market Position

ISO/RTO Market

MISO

LMP Node

MEC.POCHNT_1

Pricing Hub

MINN.HUB

Location Type

Generation Node

Node Source

EIA-860 direct report

News & Articles (10)Beta

General

Surge Announces Former Berkshire Hathaway Energy Executive Mr. Richard Weech Joins the Board as an Independent Director

West Vancouver, British Columbia--(Newsfile Corp. - March 17, 2026) - Surge Battery Metals Inc. TSXV:NILI (OTCQX: NILIF) (FSE: DJ5) (the...

TradingView·1 weeks ago

Regulatory·rate case

Iowa business groups: Lawmakers should change how investor-owned utilities get rate hikes

Four Iowa business groups want state lawmakers to change the way its largest utilities raise rates, saying rising energy costs are hurting...

The Des Moines Register·1 years ago

Industry·corporate

Over next 20 years, MidAmerican plans big investments in solar, natural gas power plants

MidAmerican Energy, Iowa's largest electric utility, says it expects to invest heavily in solar energy, natural-gas power plants and a small modular nuclear...

MidAmerican Energy (operator)

The Des Moines Register·1 years ago