Case Elisa Home Battery Service

Elisa Home Battery Service (in Finnish: Elisa Kotiakku) is a turnkey home battery service designed to help Finnish households take control of their energy use. With a modular battery system, intelligent software, and seamless installation, Kotiakku enables customers to store affordable, renewable electricity and use it when it matters most—cutting costs, increasing energy independence, and contributing to a more resilient grid.

Finland’s energy landscape is changing fast. A third of households now use spot-price electricity contracts, exposing them to volatile prices. At the same time, solar panel adoption is rising, but many homes lack the tools to store and optimize their self-produced energy. Households needed a simple, reliable way to smooth out price spikes, make the most of solar power, and stay powered during outages—all without complex installations or high upfront costs.