Poland gets on average 1 hour of actual sunshine in December. I'll take nuclear power unless somebody really has reasonable strategy for getting 3-7 days of energy storage.
Hydro and gas both involve storage (of water and methane), and both can be, and are, used with renewables and/or nuclear to fill gaps between supply and demand.
Poland gets on average 1 hour of actual sunshine in December. I'll take nuclear power unless somebody really has reasonable strategy for getting 3-7 days of energy storage.