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Falling lithium-ion battery prices to drive rapid storage uptake

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Re: Falling lithium-ion battery prices to drive rapid storage uptake

#2
$200/kWh by 2019.

Assuming that households consume between 30 kWh and 15 kWh electricity daily on average and you want to have storage capacity for 1/3 of daily electricity consumption to get wind or solar energy work, you need 10-5 kWh per household. That's $2000 - $1000 per household. If that battery lasts 10 years, its $200 - $100 per year.

It's workable and scales if we are able to reuse lithium. When does that happen? (recycling is not reuse)

Re: Falling lithium-ion battery prices to drive rapid storage uptake

#3
post #2

$200/kWh by 2019. Assuming that households consume between 30 kWh and 15 kWh electricity daily on average and you want to have storage capacity for 1/3 of daily electricity consumption to get wind or solar energy work, you need 10-5 kWh per household. That's $2000 - $1000 per household. If that battery lasts 10 years, its $200 - $100 per year. It's workable and scales if we are able to reuse lithium. When does that h…

That wouldn't work for much of the South where summer usage for a house can easily hit 100 kWh/day for air conditioning. The hottest part of the day usually starts at about the end of the prime solar hours. Plus you'll want massive overcapacity of your batteries as deep discharges drastically reduce their useful lifespan.

Re: Falling lithium-ion battery prices to drive rapid storage uptake

#4
> By 2025, the world’s base of cumulative installed storage capacity will reach 52 GW, IHS Markit says, up from around 4 GW today. Last year, 1.3 GW of grid-connected storage was deployed globally, and this rate is poised to accelerate to 4.7 GW a year by 2020, and 8.8 GW annually by 2025.

GW is not a unity of energy storage capacity. It's a unit of power.

Re: Falling lithium-ion battery prices to drive rapid storage uptake

#5
post #2

$200/kWh by 2019. Assuming that households consume between 30 kWh and 15 kWh electricity daily on average and you want to have storage capacity for 1/3 of daily electricity consumption to get wind or solar energy work, you need 10-5 kWh per household. That's $2000 - $1000 per household. If that battery lasts 10 years, its $200 - $100 per year. It's workable and scales if we are able to reuse lithium. When does that h…

> When does that happen?

Soon.

https://electrek.co/2015/08/16/the-power-of-controllable-cha...

https://i.imgur.com/oLBNeW4.png

Re: Falling lithium-ion battery prices to drive rapid storage uptake

#6
post #2

$200/kWh by 2019. Assuming that households consume between 30 kWh and 15 kWh electricity daily on average and you want to have storage capacity for 1/3 of daily electricity consumption to get wind or solar energy work, you need 10-5 kWh per household. That's $2000 - $1000 per household. If that battery lasts 10 years, its $200 - $100 per year. It's workable and scales if we are able to reuse lithium. When does that h…

Why wouldn't recycling be an option? Chances are that, if large batteries become commonplace, it will be cheaper to mine lithium from used batteries than to do so from the earth because they will have very high lithium content.

Also, covering 1/3 of daily use seems low to me. It wouldn't get one through a few windless winter days with dense cloud cover, for example.

Re: Falling lithium-ion battery prices to drive rapid storage uptake

#7

> By 2025, the world’s base of cumulative installed storage capacity will reach 52 GW, IHS Markit says, up from around 4 GW today. Last year, 1.3 GW of grid-connected storage was deployed globally, and this rate is poised to accelerate to 4.7 GW a year by 2020, and 8.8 GW annually by 2025. GW is not a unity of energy storage capacity. It's a unit of power.

GW is, however, a characteristic of an energy storage system, and just a valid and important measurement as the amount of energy it stores.

Re: Falling lithium-ion battery prices to drive rapid storage uptake

#8
post #2

$200/kWh by 2019. Assuming that households consume between 30 kWh and 15 kWh electricity daily on average and you want to have storage capacity for 1/3 of daily electricity consumption to get wind or solar energy work, you need 10-5 kWh per household. That's $2000 - $1000 per household. If that battery lasts 10 years, its $200 - $100 per year. It's workable and scales if we are able to reuse lithium. When does that h…

> When does that happen? Soon. https://electrek.co/2015/08/16/the-power-of-controllable-cha... https://i.imgur.com/oLBNeW4.png

I couldn't find the information about reusing lithium on those links?

Re: Falling lithium-ion battery prices to drive rapid storage uptake

#9

> By 2025, the world’s base of cumulative installed storage capacity will reach 52 GW, IHS Markit says, up from around 4 GW today. Last year, 1.3 GW of grid-connected storage was deployed globally, and this rate is poised to accelerate to 4.7 GW a year by 2020, and 8.8 GW annually by 2025. GW is not a unity of energy storage capacity. It's a unit of power.

GW is, however, a characteristic of an energy storage system, and just a valid and important measurement as the amount of energy it stores.

The maximum output is interesting to know, but if you asked how much my car's fuel tank held and I told you "100mph," you'd be understandably confused.

Re: Falling lithium-ion battery prices to drive rapid storage uptake

#10
post #8

Earlier quoted context omitted.

> When does that happen? Soon. https://electrek.co/2015/08/16/the-power-of-controllable-cha... https://i.imgur.com/oLBNeW4.png

I couldn't find the information about reusing lithium on those links?

Sorry, I thought you meant grid storage. Tesla has a link on their site about their closed loop recycling program.
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