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sidewndr46 parent
I'm not really sure how you can argue that a battery saves carbon. I'm assuming you mean carbon emissions. If the battery is charged up from a coal plant, then discharged during the day in lieu of a natural gas turbine it's probably measurably worse in all aspects. Carbon into the atmosphere & numerous other emissions from coal is pretty bad.

Since we're talking about Texas apparently most coal plants by kw-h are either offline or in some cases even decommissioned. Apparently in 2023 13.2% of generation was sourced from coal.

ZeroGravitas
In any well functioning grid that should all be priced in and batteries will be charging during the cheapest and cleanest times and discharging during the dirtiest and most expensive times.
sidewndr46 OP
If externalities were priced into the grid, we basically wouldn't have air pollution.
ZeroGravitas
Well they literally are in some grids. Other grids in dysfunctional areas can take advantage of the decades of work that have led to wind and solar being the cheapest and cleanest available sources of power to get a similar effect.

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