Norway does have a modest amount of pumped hydro: about 1.2 GW. But inter-connectors are a great alternative to pumped hydro. When the UK and Denmark have an e

Norway does have a modest amount of pumped hydro: about 1.2 GW. But inter-connectors are a great alternative to pumped hydro. When the UK and Denmark have an excess of wind energy, it can be sent to Norway. Norway can then conserve water in their storage lakes, and sell it back to the UK and Denmark on days when they need it.