It's also an area where the economics are changing - renewable energy is cheap during peak hours. So if you can build a process that can essentially soak up tha

It's also an area where the economics are changing - renewable energy is cheap during peak hours. So if you can build a process that can essentially soak up that energy you could try and do arbitrage. Whether that's enough to make that economically viable depends on the capital investment required, but it's at least possible in the near future.