Residential PV system owners who signed up to Japan’s feed-in tariff policy for 10-year contracts, that will soon expire, may be able to find new ways to benefit from their solar using battery storage.

The rise of grid trading and off-peak tariffs, rather than the closure of the feed-in tariff and potentially the export tariff, will see the domestic storage market experience “huge growth” over 2019 according to SolaX’s European product manager ahead of next week’s Solar & Storage Live conference and exhibition in England.