LFPs are cheap and safe, with very good cycle counts.

Sodium seems to be actually hitting real commercial production volumes (ex - GM just announced a sodium ramp up days ago, CATL has been producing them for a while). I expect we'll see sodium mature a good bit over the next decade (right now - it's just not quite as good as LFP, but it has a lot of promise in temperature extremes and cheap input materials)

So sure - storage is an issue. But it's not THE issue anymore. It costs surprisingly little to get enough LFP storage to cover an entire house at modest usage for days at a time (ex - under 10k for 42.9KWh of storage, UL approved https://signaturesolar.com/eg4-wallmount-all-weather-lithium...)

So yes - storage remains something to consider. But I think pretending that storage is a constraint that should stop PV rollout is... cough... bullshit cough...

Let industry that needs it pull from existing generation at night, convert residential to solar as fast as possible. Subsidize residential battery rollout the same way we do for insulation and other efficiency improving home improvements (which to be clear - we were doing prior to the current admin).

China isn't fucking around on the solar front, and the continued excuses in US from entrenched interests tangled up in the oil industry are criminal.

Contrary to popular belief, solar panels don't generate zero power on cloudy days.

They typically generate 10-25% of their maximum output on the cloudiest of days. Most cloudy days are not maximally cloudy.

We don't need solar panels everywhere to get even close to ~100% renewables (with nuclear, wind, new geothermal, and hydro). The areas where you put them are distributed enough that it would be exceptionally rare to ever encounter a meaningful need to ration.

So, storage is an issue, but not as big of an issue as most people think, and we do not generate anywhere near enough solar energy for it to be a reasonable concern yet...

There's also more solutions than just conventional batteries. There's pumped hydro, etc...

The main load is during the day when the sun shines anyway, and then the seasonally changing periods before and after, basically ramping when people are getting up, then dropping off while people are going to bed. On the west side of a continent, the power for the ramp can come from the east because the sun shines earlier there; on the west the sun shines later and the east can get power. At night, there are still nuclear and other plants, and it is very foreseeable that installations of ground battery technology will have been in place well before twentieth century plants are retired.

Not quite, current nighttime load is largely a function of cheaper nighttime rates. People don’t set their EV’s to charge from 11-5AM because that’s the only time their cars are plugged in. If rates crater at noon on Sunday, there’s many an EV happy to suck up power then.

So yes batteries are going to continue to grow rapidly, but it’s a smaller role than it might seem.

The whole point about modern gas/coal plants is that it's relatively cheap to shut them down and start them up again. They are backup power, not for providing inflexible base load. Batteries + renewables are taking a lot of market share and flexible backup power is much more important than baseload (inflexible power like nuclear)

These days I think "at night" is mostly covered or at least could be mostly covered both by wind and batteries.

The "base load" question may still be appropriate for deep winter, high (or low) latitudes, etc, but renewables are getting there pretty fast.

Grid batteries are being deployed everywhere every day and the cost including storage is now lower than fossil fuels.

It's not, grid-scale batteries are being deployed all over the world, and newer batteries keep getting better and cheaper. Storage hasn't been the issue for years.

The fossil fuel lobbies want us to believe it is a way bigger problem than it is.

The people who echo that sentiment without educating themselves are giving them a helping hand.

True, but battery advancements are ongoing at a rapid pace. Sodium-ion is now viable and will be a mainstay in grid storage. Ignoring ideology, this path is plain cheaper than anything else.