If you combine net metering with time-of-use charges, it might very well be profitable to engage in power arbitrage. I.e. you buy from the utility when it's ch

If you combine net metering with time-of-use charges, it might very well be profitable to engage in power arbitrage. I.e. you buy from the utility when it's cheap and sell it back to them when it's expensive. In this case you'd actually be providing a valuable service.