The Grid Comes Knocking on Your Battery

WeaveGrid and SolarEdge partner to connect residential batteries to US utility grid programs through a single orchestration platform

24 Mar 2026

America's electricity grid has a flexibility problem. Demand is rising fast, driven by data centres, electric vehicles, and industrial electrification, while utilities scramble to find capacity without waiting years for new infrastructure. The answer, it turns out, may already be sitting in millions of garages.

WeaveGrid and SolarEdge announced in February 2026 a partnership that connects residential battery systems to utility grid programmes across the country. SolarEdge's home batteries are now integrated into WeaveGrid's DISCO platform, the grid-edge software that utilities already use to manage electric-vehicle charging at scale. The result is a single system through which grid operators can coordinate both EVs and residential storage, giving them a clearer view of flexible demand across their networks.

The scale on offer is not trivial. SolarEdge brings more than 500MWh of residential storage already enrolled in US grid services, meaning utilities can activate new capacity quickly without waiting for fresh hardware. That matters in a sector where the gap between ambition and delivery is often measured in decades.

For homeowners, the arrangement offers a financial nudge. Battery owners can enrol in utility incentive programmes, earning payments for allowing their systems to charge and discharge at times that help stabilise the grid. The transaction is modest but real: a small cash transfer in exchange for a sliver of control.

WeaveGrid's chief executive described the tie-up as the next phase of DISCO, "moving from managing a single asset type to coordinating EVs and home batteries together, targeting grid constraints at the local distribution level." The language is technical; the ambition is not. The company is positioning itself as the software layer through which America's fragmented home energy systems become, collectively, something resembling a power plant.

The broader context is a wave of smart-grid software partnerships reshaping the US energy sector. Utilities, burdened with ageing infrastructure and surging demand, are increasingly looking to software to buy time while physical upgrades lag behind. Falling battery costs are accelerating the trend.

The smart grid, long promised and long delayed, is beginning to assemble itself, one partnership at a time. Whether utilities can move fast enough to keep pace with demand is another question entirely.