When renewables flood the grid with more electricity than is needed at that moment, we don’t say „How wonderful!
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@jwildeboer Maybe use the excess to crack water into hydrogen for fuel cell vehicles.
@timjclevenger Hydrogen powered vehicles are barely a thing, but we need to generate it anyway to produce essential stuff like GHG-free steel and fertilizer. It makes more sense to do that than to pursue buy-low-sell-high battery storage schemes. #hydrogen
@jwildeboer -
@OneInterestingFact @jwildeboer @openrisk yes, sorry, it is sodium in english language.
Cobalt free cell cemistry is available.
Again: responsible mining is an issue. We always can do better. The Lithium mining is nevertheless WAY less damaging for nature as oil business is and has been.
Industry scale batteries are done regulary, BMW has a factory with windturbines with battery backup. California has Megawatts capacity to stabilize the network. There are loads of examples.
@Reinald @OneInterestingFact @jwildeboer @openrisk my understanding about grid scale batteries was that they were only good for the short term
As in: grid balancing, best case scenario day/night load shifting?
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@Reinald @OneInterestingFact @jwildeboer @openrisk my understanding about grid scale batteries was that they were only good for the short term
As in: grid balancing, best case scenario day/night load shifting?
@GuillaumeRossolini @Reinald @jwildeboer @openrisk
Mine too - storing PWh to use in 6 months time is way beyond the scale of any tech I'm aware of. -
@GuillaumeRossolini @Reinald @jwildeboer @openrisk
Mine too - storing PWh to use in 6 months time is way beyond the scale of any tech I'm aware of.@OneInterestingFact @Reinald @jwildeboer @openrisk apparently we’re capable of storing heat for seasonal cycles, though I’m skeptical of the numbers presented in this article
Reinald Kirchner (@Reinald@nrw.social)
@passwordsarehard4@mastodon.social @jwildeboer@social.wildeboer.net @openrisk@mastodon.social local heat storage seems to be more feasible than global water pumping. https://www.review-energy.com/almacenamiento/finland-builds-the-world-s-largest-seasonal-thermal-energy-storage-facility There are other concepts with temperatures up to several 100 (500? 600?) °C as well heating up sand oder ceramic rubble.
NRW.social (nrw.social)
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@simo5 France demands solar panels to cover any parking site with more than 80 parking spaces. EPBD (Energy Performance of Buildings Directive) demands solar design as part of the permit process for new building. Things are changing. https://energy.ec.europa.eu/topics/energy-efficiency/energy-performance-buildings/energy-performance-buildings-directive/solar-energy-buildings_en
@jwildeboer they aren’t rushing to comply, I’m telling you
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When renewables flood the grid with more electricity than is needed at that moment, we don’t say „How wonderful! Let’s find ways to store that excess electricity so we can share it back to the grid when needed.“ Instead we sing the song of fossil fuel capitalism that claims this is a BAD thing and we need to shut down the renewable plants so The Grid can keep on working based on scarcity and rent seeking. It's like we all have been brainwashed by the grid operators and the fossile fuel industry.
There's only one reason to promote oil and curb the renewable development - to make every last dollar possible from petroleum products. Given that premise, nothing should be surprising.
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@OneInterestingFact @Reinald @jwildeboer @openrisk apparently we’re capable of storing heat for seasonal cycles, though I’m skeptical of the numbers presented in this article
Reinald Kirchner (@Reinald@nrw.social)
@passwordsarehard4@mastodon.social @jwildeboer@social.wildeboer.net @openrisk@mastodon.social local heat storage seems to be more feasible than global water pumping. https://www.review-energy.com/almacenamiento/finland-builds-the-world-s-largest-seasonal-thermal-energy-storage-facility There are other concepts with temperatures up to several 100 (500? 600?) °C as well heating up sand oder ceramic rubble.
NRW.social (nrw.social)
@GuillaumeRossolini @OneInterestingFact @jwildeboer @openrisk yes, that is current state of technology. Seasonal storage is not yet solved. Heat solutions start working, but more as one-off prototypes. No proven turnkey solutions yet.
Flow batteries have unsolved issues with charge loss - not ready yet. For the time being, storage via heat seems to be a good bet.
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@GuillaumeRossolini @OneInterestingFact @jwildeboer @openrisk yes, that is current state of technology. Seasonal storage is not yet solved. Heat solutions start working, but more as one-off prototypes. No proven turnkey solutions yet.
Flow batteries have unsolved issues with charge loss - not ready yet. For the time being, storage via heat seems to be a good bet.
@Reinald I read that rock is supposed to be able to keep a huge % of heat, I think I read upwards of 70% (which seems crazy to me)
But like you said, there are barely any demo projects anywhere, this is unproven
See here:
Mikel - Covivienda rural Bioketa (@mikels@masto.es)
@GuillaumeRossolini@infosec.exchange I was thinking about the low tech version, using the mass of the underground of a house to store the heat in the summer and reduce or eliminate heating expense in winter. Heat captured circulating outdoor air, with solar colectors, from excessively warm interior air, below roof air, photovoltaic panel refrigerating air... Do you think that this doesn't "work"? If you want more technical info: - Thermal modeling of an annualized geo-solar building, David Elfstrom. - Merging Geo-Solar Exergy Storage Technology (GEST) and Environmental Quality Management (EQM): A Practical Solution for NZEB Retrofit. - Extending the Passive House approach with Geosolar Exergy Storage Technology. - Techno-economic aspects of seasonal underground storage of solar thermal energy in hard crystalline rocks. - https://diygreenbuildingwithjerry.blogspot.com/2024/06/thermal-performance-first-18-months.html
Mastodon en masto.es (masto.es)
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@Reinald I read that rock is supposed to be able to keep a huge % of heat, I think I read upwards of 70% (which seems crazy to me)
But like you said, there are barely any demo projects anywhere, this is unproven
See here:
Mikel - Covivienda rural Bioketa (@mikels@masto.es)
@GuillaumeRossolini@infosec.exchange I was thinking about the low tech version, using the mass of the underground of a house to store the heat in the summer and reduce or eliminate heating expense in winter. Heat captured circulating outdoor air, with solar colectors, from excessively warm interior air, below roof air, photovoltaic panel refrigerating air... Do you think that this doesn't "work"? If you want more technical info: - Thermal modeling of an annualized geo-solar building, David Elfstrom. - Merging Geo-Solar Exergy Storage Technology (GEST) and Environmental Quality Management (EQM): A Practical Solution for NZEB Retrofit. - Extending the Passive House approach with Geosolar Exergy Storage Technology. - Techno-economic aspects of seasonal underground storage of solar thermal energy in hard crystalline rocks. - https://diygreenbuildingwithjerry.blogspot.com/2024/06/thermal-performance-first-18-months.html
Mastodon en masto.es (masto.es)
[edit] link
@GuillaumeRossolini @OneInterestingFact @jwildeboer @openrisk it is proven. It is demoed. What is missing is commercial scaling and size scaling. Some way of chemical conversion might be inevitable. But there might be some issues with continuity of chemical processes, that might make it difficult to switch/scale that "on demand" when there is excess energy. There are still challenging issues to solve. Nevertheless building up renewables is the way to go.
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@Reinald @jwildeboer @openrisk
Batteries come with their own set of problems, which is not to say these are insurmountable, specifically social and environmental costs in acquiring the raw materials.The real difficulty, as I see it, is that we can produce excess energy for half the year but consumption in the other half exceeds production. Can we run energy intensive industries for just half the year? Otherwise we need ways to store energy for the other half.
@OneInterestingFact @Reinald @openrisk @jwildeboer I believe that in some places companies can get discounted energy, but if there is excess demand they will get disconnected to rebalance the grid. It's a bit of a niche thing, because not every company can be disconnected at a whim, but it is an option for low production times.
on the other end of things, if the price companies pay is more volatile than that for individuals/families, some industries are encouraged to plan their most energy intensive activities for the times when energy is less expensive.
Both are things that are being done *now*, not new ideas, we only need to have more of them.
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When renewables flood the grid with more electricity than is needed at that moment, we don’t say „How wonderful! Let’s find ways to store that excess electricity so we can share it back to the grid when needed.“ Instead we sing the song of fossil fuel capitalism that claims this is a BAD thing and we need to shut down the renewable plants so The Grid can keep on working based on scarcity and rent seeking. It's like we all have been brainwashed by the grid operators and the fossile fuel industry.
@jwildeboer
The same about the grid. If in region A is constantly produced more electricity than in B, why not create a better grid spread best across countries (here: whole EU)? -
When renewables flood the grid with more electricity than is needed at that moment, we don’t say „How wonderful! Let’s find ways to store that excess electricity so we can share it back to the grid when needed.“ Instead we sing the song of fossil fuel capitalism that claims this is a BAD thing and we need to shut down the renewable plants so The Grid can keep on working based on scarcity and rent seeking. It's like we all have been brainwashed by the grid operators and the fossile fuel industry.
@jwildeboer who’s we?
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@jwildeboer who’s we?
@lindarosesmit See the direct reply (and feel free to read the rest of the thread and replies
https://social.wildeboer.net/@jwildeboer/116429874340421337 -
When renewables flood the grid with more electricity than is needed at that moment, we don’t say „How wonderful! Let’s find ways to store that excess electricity so we can share it back to the grid when needed.“ Instead we sing the song of fossil fuel capitalism that claims this is a BAD thing and we need to shut down the renewable plants so The Grid can keep on working based on scarcity and rent seeking. It's like we all have been brainwashed by the grid operators and the fossile fuel industry.
@jwildeboer or the even more horrifying alternative of “oh we seem to have too much electricity let’s give it away for free and see what people can do with it”
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