Holtwood — 247 MW hydro plant, Lancaster County, PA

Holtwood — 247 MW hydro plant, Lancaster County, PA · Ask the Grid

Generation and physical site

EIA plant 3145 · Inventory for Aug 2026.

Reported operating nameplate by technology

Hydroelectric: 247.3 MW

Operating generators only. Battery power is in MW; stored energy is in MWh. These ratings do not establish a shared export limit.

Generator records (14)

EIA generator status and nameplate capacity for Holtwood
Generator	Technology	Status	Power (MW)	Energy (MWh)
HW1	Conventional Hydroelectric	Operating	10.4	Unknown
HW10	Conventional Hydroelectric	Operating	12	Unknown
HW11	Conventional Hydroelectric	Operating	1.4	Unknown
HW13	Conventional Hydroelectric	Operating	1.4	Unknown
HW18	Conventional Hydroelectric	Operating	66	Unknown
HW19	Conventional Hydroelectric	Operating	66	Unknown
HW2	Conventional Hydroelectric	Operating	10.4	Unknown
HW3	Conventional Hydroelectric	Operating	13.5	Unknown
HW4	Conventional Hydroelectric	Operating	10.4	Unknown
HW5	Conventional Hydroelectric	Operating	10.4	Unknown
HW6	Conventional Hydroelectric	Operating	10.4	Unknown
HW7	Conventional Hydroelectric	Operating	10.4	Unknown
HW8	Conventional Hydroelectric	Operating	11.4	Unknown
HW9	Conventional Hydroelectric	Operating	13.2	Unknown

Physical map location · OpenStreetMap: 39.82736, -76.33204
Filed location · EIA: 39.82720, -76.33177

Sources and observation dates

Inventory source: EIA-860M workbook (preliminary)
EIA reporting month: Aug 2026
EIA retrieved: Oct 10, 2026
OSM extract: Oct 9, 2026
OSM last mapped edit: Jan 25, 2023
Map prepared: Oct 10, 2026
Field verification: Not reported

Reporting month describes the inventory. Retrieval and map preparation describe processing; an OSM edit does not establish an in-service date.

EIA source inventory

Units and generators

Operating generator records and technology attributes reported through EIA-860.

Generator	Capacity	Technology	Operation	Status
HW1	10.4 MW 10 MW summer	Conventional Hydroelectric Water · HY	Oct 1910	Operating
HW10	12 MW 13.2 MW summer	Conventional Hydroelectric Water · HY	Mar 1924	Operating
HW11	1.4 MW 1.2 MW summer	Conventional Hydroelectric Water · HY	Jun 2011	Operating
HW13	1.4 MW 1.2 MW summer	Conventional Hydroelectric Water · HY	Jun 2011	Operating
HW18	66 MW 64.6 MW summer	Conventional Hydroelectric Water · HY	Nov 2013	Operating
HW19	66 MW 64.6 MW summer	Conventional Hydroelectric Water · HY	Nov 2013	Operating
HW2	10.4 MW 11.7 MW summer	Conventional Hydroelectric Water · HY	Feb 1911	Operating
HW3	13.5 MW 12.7 MW summer	Conventional Hydroelectric Water · HY	Feb 1911	Operating
HW4	10.4 MW 11.2 MW summer	Conventional Hydroelectric Water · HY	May 1911	Operating
HW5	10.4 MW 12.1 MW summer	Conventional Hydroelectric Water · HY	Jul 1911	Operating
HW6	10.4 MW 12.5 MW summer	Conventional Hydroelectric Water · HY	Dec 1911	Operating
HW7	10.4 MW 10.3 MW summer	Conventional Hydroelectric Water · HY	Oct 1913	Operating
HW8	11.4 MW 10.5 MW summer	Conventional Hydroelectric Water · HY	Dec 1914	Operating
HW9	13.2 MW 13.2 MW summer	Conventional Hydroelectric Water · HY	Feb 1914	Operating

Commercial, land, and environmental record

Source-backed project transactions, agreements, land records, permits, and environmental disclosures. Portfolio and adjacent-project facts remain explicitly scoped.

Financing

Jan 10, 2024

PGIM provided $62.5 million of senior secured notes to a subsidiary of Brookfield to finance the combined 296 MW Holtwood and Wallenpaupack hydroelectric portfolio.

$62.5MPGIM · Brookfield Renewable Energy Partners L.P.

prudentialprivatecapital.com

Transactions and agreements

Construction Start

Jan 1, 1905

Pennsylvania Water and Power Company began construction of the Holtwood Hydroelectric Project.

Pennsylvania Water and Power Company

holtwoodrelicensing.brookfieldusprojects.com

Expansion

Jan 1, 1912

Additional turbine-generators installed at Holtwood between 1912 and 1924, expanding the station nameplate rating from the initial five units to ten units, with a combined capacity of 108 MW by 1924.

Pennsylvania Water and Power Company

lowimpacthydro.org

Regulatory Approval

Aug 14, 1980

Federal Energy Regulatory Commission issued FERC License No. 1881 for the Holtwood Hydroelectric Project, establishing the regulatory framework for continued operation.

Federal Energy Regulatory Commission

holtwoodrelicensing.brookfieldusprojects.com

Commercial Operation Start

Dec 2, 2013

PPL Holtwood announced completion of the new 125 MW powerhouse, which began commercial operation. The new facility increased plant generating capacity from approximately 108 MW to over 230 MW. The powerhouse includes two Voith vertical Kaplan turbine-generators (Units 18 and 19), described in the announcement as 62.5 MW each. The facility continues to include the original powerhouse with its operating generators.

PPL Holtwood LLC · Walsh Construction · Voith Hydro

prnewswire.com

Regulatory Milestone

Aug 31, 2030

The current FERC License No. 1881, issued August 14, 1980, expires on August 31, 2030. BIF III Holtwood LLC is pursuing a new license through the Commission's Integrated Licensing Process.

Federal Energy Regulatory Commission · BIF III Holtwood LLC

holtwoodrelicensing.brookfieldusprojects.com

Timeline and sources

Project milestones and public references behind the asset profile.

Project timeline

Jan 1, 1905
Jan 1, 1905
Project Construction Beganholtwoodrel...
Pennsylvania Water and Power Company began construction of the Holtwood Hydroelectric Project.
Oct 1910
Oct 1910
Generator enters operationEIA-860
EIA-860 lists generator HW1 with this operating date.
Feb 1911
Feb 1911
Generators enter operationEIA-860
EIA-860 lists generator HW2, generator HW3 with this operating date.
View 8 more milestonesHide 8 milestones
1. May 1911
  May 1911
  Generator enters operationEIA-860
  EIA-860 lists generator HW4 with this operating date.
2. Jul 1911
  Jul 1911
Dec 2, 2013
Dec 2, 2013
New powerhouse completed and entered commercial operationprnewswire....
PPL Holtwood announced completion of the new 125 MW powerhouse, which began commercial operation. The new facility increased plant generating capacity from approximately 108 MW to over 230 MW. The powerhouse includes two Voith vertical Kaplan turbine-generators (Units 18 and 19), described in the announcement as 62.5 MW each. The facility continues to include the original powerhouse with its operating generators.
Jan 10, 2024
Jan 10, 2024
Portfolio Refinancingprudentialp...
PGIM provided $62.5 million of senior secured notes to a subsidiary of Brookfield to finance the combined 296 MW Holtwood and Wallenpaupack hydroelectric portfolio.
Aug 31, 2030
Aug 31, 2030
Current FERC license expiration and relicensing milestoneholtwoodrel...
The current FERC License No. 1881, issued August 14, 1980, expires on August 31, 2030. BIF III Holtwood LLC is pursuing a new license through the Commission's Integrated Licensing Process.

Sources

PublisherReferenceType

U.S. Energy Information AdministrationEIA-860 generator inventoryFederal registry

U.S. Energy Information AdministrationEIA-923 generation filingsFederal filing

hydroreform.orghydroreform.orgpublic_source

Common questions about Holtwood

Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.

How big is Holtwood?

Holtwood reports 247.3 MW hydroelectric of operating nameplate capacity. These technology ratings do not establish a common export limit. Source: EIA Aug 2026.

What kind of plant is Holtwood?

Holtwood is a Conventional Hydroelectric facility in Lancaster County, PA, participating in the PJM market.

Where is Holtwood located?

Holtwood is in Lancaster County, PA, inside the PJM balancing area.

Who operates Holtwood?

Holtwood is operated by BIF III Holtwood LLC according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.

How much electricity does Holtwood generate?

Holtwood reported 866.1 GWh over the twelve months to 2024-12. Figures are net generation as filed to EIA-923.

How does Holtwood compare to other plants?

By capacity, Holtwood ranks #59 of 1,356 operating plants of the same technology nationally. It ranks #2 of 17 in PA.

Co-located assets

Plants within 25 km, nearest first, regardless of technology. Proximity is straight-line distance between mapped plant coordinates; it does not by itself establish a shared point of interconnection.

Muddy RunHydroelectric Pumped StorageHydroelectric Pumped Storage · same type1,072 MW3.6 km Peach BottomNuclearNuclear2,876 MW9.3 km Keystone SolarSolar PhotovoltaicSolar Photovoltaic5 MW10 km York Energy CenterNatural Gas Fired Combined CycleNatural Gas Fired Combined Cycle

Overview

Infrastructure record

Overview

Infrastructure record

Explore related directories

Explore related directories

Structured profile

Generation and physical site

Reported operating nameplate by technology

Related assets

Safe Harbor

Conowingo

John H Kerr

Yards Creek Energy

Gaston

Muddy Run

Units and generators

Performance

Peer context

Monthly generation

Grid and market context

Market registration

Nearby substations

Commercial, land, and environmental record

Financing

Transactions and agreements

Related parties and identifiers

Relationship graph

Parties and identifiers

Reporting portfolio

Timeline and sources

Project timeline

Sources

Common questions about Holtwood

How big is Holtwood?

What kind of plant is Holtwood?

Where is Holtwood located?

Who operates Holtwood?

How much electricity does Holtwood generate?

How does Holtwood compare to other plants?

Co-located assets