How big is Hazle Spindle?

Hazle Spindle reports 20 MW battery storage of operating nameplate capacity. These technology ratings do not establish a common export limit. Source: EIA Aug 2026.

What kind of plant is Hazle Spindle?

Hazle Spindle is a flywheel facility in Luzerne County, PA, participating in the PJM market.

Where is Hazle Spindle located?

Hazle Spindle is in Luzerne County, PA, inside the PJM balancing area.

Who operates Hazle Spindle?

Hazle Spindle is operated by Convergent Energy and Power LP according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.

When did Hazle Spindle start operating?

Hazle Spindle reports a commercial operation date of 2013-09. Source: EIA Aug 2026.

How much electricity does Hazle Spindle generate?

Hazle Spindle reported 16.7 GWh over the twelve months to 2024-12. For a storage plant this is reported gross generation — a discharge proxy, not a cycle count or a conventional capacity factor.

How does Hazle Spindle compare to other plants?

By capacity, Hazle Spindle ranks #1 of 3 operating plants of the same technology nationally. It ranks #1 of 1 in PA.

Hazle Spindle — 20 MW battery storage, Luzerne County, PA

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Hazle Spindle — 20 MW battery storage, Luzerne County, PA · Ask the Grid

Generation and physical site

EIA plant 57716 · Inventory for Aug 2026.

Reported operating nameplate by technology

Battery storage: 20 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 (1)

EIA generator status and nameplate capacity for Hazle Spindle
Generator	Technology	Status	Power (MW)	Energy (MWh)
HRS1	Flywheels	Operating	20	15

Physical map location · OpenStreetMap: 40.94729, -76.05324
Filed location · EIA: 40.94954, -76.04739

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: Dec 22, 2022
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
HRS1	20 MW 20 MW summer	Flywheels Electricity used for energy storage · FW	Sep 2013	Operating

Related parties and identifiers

Parties, market resources, and identifiers tied to this asset, with owner, operator, developer, EPC, compliance provider, and interconnecting entity roles kept separate.

Parties and identifiers

OrganizationRoleBasis

Convergent Energy + PowerPortfolio operator / current portfolio sponsorFinancing covers a portfolio that includes Hazle Spindle.

Beacon Poweroriginal developer / flywheel manufacturerHazle Spindle 20 MW flywheel frequency-regulation plant

Reporting portfolio

EIA reporting entity

Convergent Energy and Power LP

Entity 61978

Operating portfolio

6 plants

4 states

Reported capacity

72 MW

Batteries · Flywheels · Solar Photovoltaic

Largest reported plants in this portfolio
Largest reported plants	Capacity	State
Stephentown Spindle	20 MW	NY
Hazle SpindleCurrent	20 MW	PA
Cicero Energy Storage 1 LLC	10 MW	NY
Henrietta D Energy Storage LLC	10 MW	CA
Cicero Energy Storage 2 LLC	10 MW	NY
Federalsburg Energy Storage 1 LLC	2 MW	MD

Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.

Overview

Infrastructure record

Overview

Infrastructure record

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Profile

Structured profile

Generation and physical site

Reported operating nameplate by technology

Mapped facility footprint

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Units and generators

Performance

Peer context

Monthly generation

Grid and market context

Nearby substations

Related parties and identifiers

Parties and identifiers

Reporting portfolio

Timeline and sources

Project timeline

Sources

Common questions about Hazle Spindle