Directory/Sunrun Virtual Power Plant
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Sunrun Virtual Power Plant

Largest residential solar + storage VPP in North America

HQ: San Francisco, CA 10 states served Since 2007Website
Dispatchable capacity
80 MW
Aggregated MW
Connected assets
16K
Devices & sites
States served
10
Service footprint
Markets
4
CAISO · ISO-NE · NYISO

Overview

About this program

Sunrun aggregates rooftop solar and home batteries across the United States into a dispatchable virtual power plant. Its CalReady, Puerto Rico, New England, and Texas programs deliver firm capacity to wholesale markets and utility grid operators, with proven event performance during summer peaks and grid emergencies.

Technologies

Technology breakdown

Battery Storage

Behind-the-meter and front-of-the-meter batteries dispatched for capacity and ancillary services.

Solar + Storage

Rooftop solar paired with batteries for evening peak and grid emergencies.

Service area

Operating in 10 states

California
Massachusetts
Connecticut
Rhode Island
New Hampshire
Vermont
Texas
New York
New Jersey
Maryland

Wholesale markets

CAISO
ISO-NE
NYISO
ERCOT

Programs & Partnerships

Programs and key partners

Programs & offerings

CalReady

Dispatches thousands of CA home batteries during the 7–9pm net peak.

ConnectedSolutions (New England)

Summer + winter peak dispatch with National Grid, Eversource, and Green Mountain Power.

Partners

PG&E National Grid Eversource ERCOT

Track record

Performance highlights

  1. 1

    Delivered 32 MW into CAISO during the August 2024 grid emergency

  2. 2

    Average event duration of 2 hours with >95% dispatch reliability

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