I think it is about shifting the consumption (like a DVR shifts Prime Time TV)
If instead of net-metering being 1:1 you have a sell at $.05 and a buy at $.10 then the 10kwh scenario is a net loss of $.50 not "net zero" If you have such a scenario, the battery can be used to shift your "consumption" of energy so it comes more from your own production and less from the grid. You still have the grid when you need it, and you can still dump excess power, but you manage your own loads so anything that would need to consume "peak power" does so from the battery first. In some locales your net-metering may be close to non-existent - they don't pay for ANY backfeed. If your solar offsets your consumption at a point in time, great, but you get zero credit for any overproduction at any point in time. All good reasons to shift with a battery locally to work around artificial external limitations placed upon you without going off-grid with the over-provisioning that is required. Think of it as a surge or pressure tank on your well. It doesn't replace the well pump, but stores water (and pressure) for a period of time to reduce the wear and tear on the pump. We drag out the time period of use from the last pump run - but we still need the pump to kick back on after a few flushes.. Sent from my Verizon Motorola Smartphone On Jul 14, 2019 10:28 AM, Robert Bruninga via EV <ev@lists.evdl.org> wrote: > > > So that is what net metering is all about. So... What value then is the > battery? It adds nothing to that equation other than a fixed $13,000 up > front loss that can never be receoverd.? What am I missing? > _______________________________________________ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/group/NEDRA)
