SW

Sustainable Westchester

Mount Kisco, New York, United States

SolarEnergy StorageBiomassHydrogenOtherNon-profit
Founded 201051-200 employees
Profile last updated: August 13, 2026

About

Founded in 2010, Sustainable Westchester is a non-profit headquartered in Mount Kisco, United States with approximately 51-200 employees specializing in Solar, Energy Storage, Biomass.

Sustainable Westchester is a nonprofit organization delivering climate solutions to governments, businesses, organizations, and residents of Westchester County, New York. The organization leads the region in addressing climate change through community engagement, renewable energy deployment, and energy efficiency programs. Key initiatives include community solar projects, GridRewards (a demand response program enabling residents to reduce energy consumption and earn rewards), the EnergySmart Homes efficiency program, and Solarize campaigns. The organization has mitigated over 1.3 million metric tons of CO2 emissions, equivalent to removing 323,002 gas-guzzling cars from the road. Sustainable Westchester educates residents and municipalities on renewable energy, heat pump technology, building decarbonization, and environmental justice while securing state and federal funding for clean energy access.

Headquarters

Mount Kisco, United States

Founded

2010

Employees

51-200

Company type

Non-profit

Focus areas

community solardemand responsebuilding decarbonizationenergy efficiencyclimate actionenvironmental justicerenewable energyheat pumpsEV charging

Products & services

Business models

B2BB2CESCOCo-op

Value chain

DevelopmentEngineeringConstructionO&MConsultingAdvisoryCommunity Engagement

Service areas (1)

  • Westchester County

    Provides climate solutions including community solar, demand response programs, building decarbonization, home energy efficiency assessments, and community engagement

Locations

Headquarters

Mount Kisco, New York, United States

Service regions

United States

Projects

7

Westchester Power Community Choice Aggregation Program

OperationalCommunity Choice Aggregation

Program that switched entire towns to 100% renewable electricity supply

United States

Community Solar Projects

OperationalCommunity Solar

Multiple community solar projects delivering guaranteed savings to subscribers' electricity bills, including Mt. Kisco and National Grid territory projects

United States

GridRewards

OperationalDemand Response

Residential and small commercial demand response program, first such program offered in New York, enabling over 3,500 individuals and families to get paid to reduce pollution

United States

Solarize Campaigns

OperationalRooftop solar PV

15 solarize campaigns resulting in 601 solar installations in 20 municipalities

5.7 MW capacityUnited States

EnergySmart Homes

OperationalBuilding energy efficiency

Program providing home energy assessments and efficiency upgrades including heat pump installations and insulation improvements

United States

Green Hydrogen Roundtable

OperationalHydrogen

First-ever Green Hydrogen Roundtable in New York State

United States

Community Solar to EV Fast Charging Pilot

OperationalSolar-plus-EV charging

Pilot project linking community solar to electric vehicle fast charging stations

United States

Credentials & affiliations

Industry memberships

Climate Smart Communities

Partnerships

Logical Buildings, Comcast Smart Solutions, National Grid, NYSERDA, New York Power Authority

More Solar Companies

View all

More Renewable Energy Companies in United States

View all