Directory/EnergyHub Mercury
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Software platform

EnergyHub Mercury

Utility-grade DERMS expanded with Resideo Grid Services

HQ: Brooklyn, NY 12 states served Since 2007Website
Source-reported capacity
1.8 GW
Managed portfolio
Participants
2.5M
Enrolled customers
States served
12
Service footprint
Markets
6
CAISO · ERCOT · PJM

Overview

About this program

EnergyHub's Mercury platform is one of North America's largest Edge DERMS platforms, powering programs at major utilities including National Grid, Xcel, Duke, PG&E, and SCE. EnergyHub acquired Resideo Grid Services in 2025, expanding its utility demand response and device orchestration footprint.

Technologies

Technology breakdown

Smart Thermostats

Connected thermostats curtailing HVAC load during peak events.

Battery Storage

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

EV / V2G

Managed EV charging and vehicle-to-grid export from connected fleets.

Heat Pumps

Electrified heating dispatched as flexible load across heating and cooling seasons.

Mixed DER

Portfolio of distributed assets orchestrated as a single dispatchable resource.

Service area

Operating in 12 states

New York
California
North Carolina
Minnesota
Massachusetts
Colorado
Florida
Georgia
Wisconsin
Michigan
Ohio
Texas

Wholesale markets

CAISO
ERCOT
PJM
NYISO
ISO-NE
MISO

Programs & Partnerships

Programs and key partners

Programs & offerings

Mercury DERMS

Enterprise DERMS with grid-aware dispatch for utilities.

BYOT Programs

White-label Bring Your Own Thermostat across 40+ utilities.

Partners

Resideo Grid Services National Grid Xcel Energy Duke PG&E Eversource

Track record

Performance highlights

  1. 1

    1.8 GW under management

  2. 2

    2.5M+ DERs managed after Resideo Grid Services acquisition

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