Solar Storage Future UK

What's the future of solar storage?

The future of solar energy storage in the UK: (1) SODIUM-ION BATTERIES — 30-40% cheaper than lithium-ion, no cobalt or lithium needed. Expected mainstream by 2027-2028. Performance: slightly lower energy density but excellent cycle life. (2) SOLID-STATE BATTERIES — safer (no liquid electrolyte), higher energy density, longer life. Expected 2028-2030 for home storage. (3) VEHICLE-TO-GRID (V2G) — your EV becomes a 50-80kWh home battery. Charge from solar, power your home from the car. Trials underway with Octopus/BMW/Nissan. (4) COMMUNITY STORAGE — shared neighbourhood batteries funded by multiple households. Cost per household: £500-£1,500 for equivalent capacity. (5) PRICE TREND — battery costs dropping 10-15% per year. A 10kWh battery: £5,000 in 2024, expected £3,000-£3,500 by 2028.