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> you must have a reliable on-grid source ... which then may as well be your primary. Not at all. With net metering it makes sense to be on the grid during t
by grecy 6y ago
> you must have a reliable on-grid source ... which then may as well be your primary.
Not at all.
With net metering it makes sense to be on the grid during the day when you're making more power than you need, then if and when you need it you can pull power from the grid.
In Australia my Dad got a 5kW system fully installed for $5k AUD, and he gets paid a few hundred dollars from the power company every three months now.
- ctdonath 6y agoProblem there is, with enough customers doing the same, there’s a great deal of idle capacity waiting to fill the big gaps. That’s costly. Works fine now when solar is the anomaly (what I’m doing, plugging into grid when a prolonged storm depletes stored power), but keeping 100% of current grid capacity in unused reserve for 1% incidents (heavy clouds for >1 weeks) isn’t practical. At some tipping point, classic grid power is driven out of the market ... and then an anomaly hits, with no grid to back into.
- ClumsyPilot 6y agoThey are still saving fuel, and with weather forecasts they are not 'anomalies', they are planned handovers. You just need to work out the financials.