Green Mountain Power runs the most generous residential battery program in the country. Two Powerwall 3 units (27 kWh) for $55/month or $5,500 upfront, and the BYOD grid-services payments typically cover the lease for life. VEC Flexible Load is the co-op equivalent. Vermont is the one state where a battery genuinely pays for itself.
Vermont residential electricity climbed from roughly 15.9¢/kWh in 2010 to ~22.6¢/kWh today, averaging only about 2.2% per year, the slowest climb in New England thanks to regulated GMP supply and a hydro-rich mix. The case for storage here isn't rate volatility, it's GMP's Powerwall lease + BYOD program, which pays you to enroll a battery.
Take a GMP customer in Burlington who leases two Powerwall 3 units (27 kWh total) for $55/month. GMP dispatches the batteries during summer grid peaks under the BYOD tariff and pays the homeowner per kW of capacity provided. A solar-retrofit bonus and a geo-targeted bonus stack on top. The 10-year math is the rare residential battery program that's actually net-positive.
See the pieces of the stackGMP covers about 75% of Vermont's electric territory. Its Powerwall lease + BYOD program is genuinely unique: GMP absorbs the install premium and the grid-services payments tend to cover the lease for life. VEC Flexible Load is the co-op equivalent for the northern half of VT.
A Vermont home battery earns three ways at once: a subsidized GMP lease (or matching VEC deal), grid-services capacity payments, and stackable solar and geo bonuses. Each line stands on its own. Stacked, they're the math that makes VT the most generous residential battery state in the country.
A typical Vermont GMP Powerwall install runs 5–8 weeks from application to commissioning, faster than most states because GMP runs the program directly and handles much of the paperwork.
Actual questions that come up in the first installer conversation, answered for a typical Vermont homeowner in 2026.
Yes. The BYOD program pays $850–$950/kW per year of dispatch capacity, plus optional $100/kW bonuses for solar-paired batteries and geo-constrained circuits. A 5 kW Powerwall 3 typically clears $850–$1,050/year. Over 10 years, that's $8,500–$10,500, which usually exceeds the $55/mo lease cost of $6,600. Net result: the battery pays for itself and then some, with backup power included free.
A purchase option is available at $5,500 upfront for the same two Powerwall 3 lease (a meaningful discount off retail). After year 10, ownership transfers to you and the battery keeps dispatching on BYOD with no lease payment offsetting the bill credit. The upfront option pencils better for long-stay homeowners; the monthly lease is cleaner if you might move within the 10-year window.
VEC (Vermont Electric Co-op) runs Flexible Load, which pays $32/month (or $1,340 upfront) for a 5 kW battery in dispatch service, plus $16/month for some smaller setups. The economics aren't as generous as GMP but the structure is similar: subsidized lease, ongoing dispatch credits. Burlington Electric and the smaller munis don't run a comparable program, so a direct-purchase battery + outage value is the only path there.
No. The battery prioritizes your home's backup loads any time the grid goes down. BYOD only dispatches during scheduled grid peak events while the grid is healthy. If a storm hits during a dispatch window, the program switches modes automatically.
Yes, and you should. The $100/kW solar-retrofit bonus stacks on top of the standard BYOD rate, and a solar-paired battery dispatches more aggressively (and earns more) because the panels keep it topped up. Net metering credits stay intact, the battery just lets you self-consume more midday production before exporting.
27 kWh of usable capacity. For an essentials-only backup panel (heat pump or boiler, well pump, fridge, freezer, internet, lights), that's typically 24-36 hours of subzero winter weather, longer in milder seasons. Paired with solar, the panels can keep the battery topped up across multi-day outages so long as there's daylight.
Looking for the same kind of program in another state, or a different program in yours? Tap any pill to jump.
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