Green Mountain Power
UtilitiesVermont, United States201-500 Employees
Green Mountain Power, based in Colchester, Vermont, is a utility serving residents and businesses with a focus on affordability, sustainability, and equity in the energy system. The company aims for a clean, cost-effective, and reliable grid and has pursued resilience initiatives to maintain service even when the network is stressed. Its Zero Outages Initiative builds on the Climate Plan and uses strategies such as undergrounding lines, hardening overhead infrastructure, and expanding energy storage to keep customers connected during outages. Green Mountain Power was the first utility to receive B Corp certification, signaling adherence to high standards of social and environmental performance and transparency. It has earned widespread recognition, including Fast Company’s 2024 Most Innovative Companies list and SEPA honors in 2021, 2023, and 2024, alongside TIME’s 2022 designation as one of the 100 Most Influential Companies for its resiliency work. In late 2025, GMP launched a home battery lease program to provide customers with backup power and to enable shared energy during peak periods.
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