Comment by sdk77

It's nice to have solar panels, I have them too and while they do generate even more electricity than I need, they do so in around 6 to 7 months peaking in July. So in winter, it's grid power and in summer I might need to pay to feed in the surplus. This is in the Netherlands. It's kind of sad to see all that electricity unused in summer, and knowing I could have enough for all of the winter if only there was some way to store it, all of the 1MWh..