Generally Time of Day electricity billing is just an average costing at fixed windows of time. 2-way (or really, just 1-way is actually necessary) comms not req

Generally Time of Day electricity billing is just an average costing at fixed windows of time. 2-way (or really, just 1-way is actually necessary) comms not required. Not too common to have totally dynamic pricing. And even if you did, they have general trends.