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#SectorCoupling

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Henri Horn<p><span class="h-card" translate="no"><a href="https://mastodon.social/@burger_jaap" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>burger_jaap</span></a></span> <br>Great thread! <br>The pace of <a href="https://mastodon.energy/tags/SectorCoupling" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SectorCoupling</span></a> is amazing!</p><p>In Helsinki 🇫🇮 it's not only <a href="https://mastodon.energy/tags/HeatPumps" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>HeatPumps</span></a>: <br><a href="https://www.helen.fi/en/about-us/energy/energy-production/power-plants" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">helen.fi/en/about-us/energy/en</span><span class="invisible">ergy-production/power-plants</span></a></p><p>Katri Vala<br>165MW heat + 100 MW cool</p><p>Esplanadi <br>22MW heat + 50MW cool </p><p>Eiranranta (2025)<br>90MW heat + 60MW cool</p><p>... but also <a href="https://mastodon.energy/tags/SeasonalStorage" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SeasonalStorage</span></a>:<br><a href="https://www.helen.fi/en/news/2021/gigantic-heat-caverns-in-mustikkamaa-filled" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">helen.fi/en/news/2021/gigantic</span><span class="invisible">-heat-caverns-in-mustikkamaa-filled</span></a></p><p>Mustikkamaa (2021):<br>260.000 m3 </p><p>Kruunuvuorenranta (2030):<br>300.000 m3</p><p><a href="https://mastodon.energy/tags/ElectricBoilers" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ElectricBoilers</span></a> are also being built promptly in 🇫🇮 as there is often cheap wind power available in winter.</p>
Henri Horn<p>Yesterday <a href="https://mastodon.energy/tags/Fortum" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Fortum</span></a>, the local heating utility in Espoo, Finland, has shut down their last remaining coal plant at <a href="https://mastodon.energy/tags/Suomenoja" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Suomenoja</span></a>. <br>One year ahead of schedule.</p><p><a href="https://mastodon.energy/tags/DistrictHeating" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DistrictHeating</span></a> in <a href="https://mastodon.energy/tags/Espoo" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Espoo</span></a> is decarbonising quickly and increasingly relies on excess heat recovery, <a href="https://mastodon.energy/tags/HeatPumps" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>HeatPumps</span></a>, several hundred megawatt electric boilers and <a href="https://mastodon.energy/tags/heatStorage" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>heatStorage</span></a>.</p><p><a href="https://mastodon.energy/tags/EspooCleanHeat" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>EspooCleanHeat</span></a> <a href="https://mastodon.energy/tags/SectorCoupling" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SectorCoupling</span></a><br><a href="https://www.fortum.com/media/2024/03/fortum-end-use-coal-finnish-district-heat-production-ahead-schedule" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">fortum.com/media/2024/03/fortu</span><span class="invisible">m-end-use-coal-finnish-district-heat-production-ahead-schedule</span></a></p>
Henri Horn<p><span class="h-card" translate="no"><a href="https://fosstodon.org/@muratk5n" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>muratk5n</span></a></span> The benefit of <a href="https://mastodon.energy/tags/sectorCoupling" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>sectorCoupling</span></a> is that efficiency is not restricted to electrical power out / electrical power in. <br>Energy that is normally considered 'lost' in conversion processes like electrolysis turns into heat. For Helen, heat has value when sold to district heat customers (see chart below)<br>Astonishingly, even an electrolyser with 0% 'efficiency' (=electric boiler) can be profitable when cheap wind power is available in winter and heat price is 100 €/MWh.</p><p><a href="https://mastodon.energy/@henrihorn/111840374757744805" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">mastodon.energy/@henrihorn/111</span><span class="invisible">840374757744805</span></a></p>
Henri Horn<p>There is a valid concern on <a href="https://mastodon.energy/tags/hydrogen" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>hydrogen</span></a> economy that poor efficiency of electrolysers and fuel cells make it a very lossy solution for <a href="https://mastodon.energy/tags/EnergyStorage" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>EnergyStorage</span></a>.</p><p>@energiaHelen, the energy utility in Helsinki is feeding all the waste heat from the 3 MW electrolyser to the <a href="https://mastodon.energy/tags/DistrictHeating" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DistrictHeating</span></a> grid, thus vastly improving <a href="https://mastodon.energy/tags/EnergyEfficiency" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>EnergyEfficiency</span></a> through <a href="https://mastodon.energy/tags/SectorCoupling" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SectorCoupling</span></a> </p><p><a href="https://mastodon.energy/tags/HelsinkiHydrogenHub" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>HelsinkiHydrogenHub</span></a> <a href="https://mastodon.energy/tags/3H2" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>3H2</span></a></p><p><a href="https://www.helen.fi/en/news/2024/helen-to-invest-in-helsinkis-first-green-hydrogen-production-plant" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">helen.fi/en/news/2024/helen-to</span><span class="invisible">-invest-in-helsinkis-first-green-hydrogen-production-plant</span></a></p>
Henri Horn<p><span class="h-card" translate="no"><a href="https://mastodon.energy/@Sustainable2050" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>Sustainable2050</span></a></span> <span class="h-card" translate="no"><a href="https://mastodon.green/@CommercialSolarGuy" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>CommercialSolarGuy</span></a></span> Assuming that growth in electricity demand also comes from electrification in transportation, heating and industry, where electricity directly replaces fossil oil and gas, the effect of additional 750 TWh/a solar generation is more than just pushing down fossil electricity.It's a systemic change. <br><a href="https://mastodon.energy/tags/SectorCoupling" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SectorCoupling</span></a></p>
Henri Horn<p>After some electricity price shocks, spot prices in <a href="https://mastodon.energy/tags/Finland" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Finland</span></a> are again close to zero as <a href="https://mastodon.energy/tags/WindPower" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>WindPower</span></a> exceeds 6 GW for the first time and domestic generation (13GW) exceeds consumption (11.2GW)<br><a href="https://yle.fi/a/74-20071820" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">yle.fi/a/74-20071820</span><span class="invisible"></span></a></p><p>What to do with all this cheap electricity, since large batteries and electrolysers are not yet available? </p><p>Use <a href="https://mastodon.energy/tags/ElectricBoiler" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ElectricBoiler</span></a> to produce heat and store it cheaply in hot water tanks. 1,5 GW of large electric boilers for <a href="https://mastodon.energy/tags/DistrictHeating" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DistrictHeating</span></a> will come online 2024-2025.<br><a href="https://mastodon.energy/tags/SectorCoupling" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SectorCoupling</span></a></p>
Henri Horn<p>This new 11 MW(th) Air-Water <a href="https://mastodon.energy/tags/HeatPump" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>HeatPump</span></a> in Vermo, Espoo is the largest of it's kind in <a href="https://mastodon.energy/tags/Finland" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Finland</span></a> and a first step to 100MW Air-Source HPs on the <a href="https://mastodon.energy/tags/Fortum" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Fortum</span></a> <a href="https://mastodon.energy/tags/DistrictHeating" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DistrictHeating</span></a> network in Espoo, Kauniainen and Kirkkonummi.</p><p>It was built last year next to a 160 MW oil-fired peak boiler. This week temperatures plunge below the design temperature -15°C of the <a href="https://mastodon.energy/tags/ASHP" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ASHP</span></a>, so the peak boiler takes over. Luckily only for few days annually, and using bio-oil.<br><a href="https://mastodon.energy/tags/SectorCoupling" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SectorCoupling</span></a> <a href="https://mastodon.energy/tags/W%C3%A4rmewende" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Wärmewende</span></a></p><p><a href="https://www.fortum.com/products-and-services/heating-cooling/espoo-clean-heat" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">fortum.com/products-and-servic</span><span class="invisible">es/heating-cooling/espoo-clean-heat</span></a></p>
Henri Horn<p><span class="h-card" translate="no"><a href="https://mastodon.social/@iamdavidobrien" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>iamdavidobrien</span></a></span> Finland is slightly behind but also on track to exceed 10GW wind capacity in 2026 and 20GW by 2030. That's a lot for a system where total power consumption is typically 8-12GW. <br>While large electrolyser plants take years to build, heat production with heat pumps will grow quickly. Electric boilers are even faster to deploy, and inferior efficiency isn't a problem when electricity is almost zero-cost. <a href="https://mastodon.energy/tags/SectorCoupling" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SectorCoupling</span></a></p><p>In efficient markets, demand will adapt to supply.</p>
Henri Horn<p>'Energy storage' is too often understood to comprise only electricity storage.</p><p>The heating sector needs to be electrified anyway, so why not use <a href="https://mastodon.energy/tags/HeatPumps" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>HeatPumps</span></a> to convert wind&amp;solar power to heat (or resistors for 'excess' power), and store it in thermal <a href="https://mastodon.energy/tags/SeasonalHeatStorage" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SeasonalHeatStorage</span></a> like boreholes, caverns, pits or aquifiers?</p><p>That's cheaper in regions, where space heating represents a significant share of energy consumption and <a href="https://mastodon.energy/tags/districtHeating" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>districtHeating</span></a> is used. </p><p><a href="https://mastodon.energy/tags/SectorCoupling" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SectorCoupling</span></a></p><p><a href="https://www.utilitydive.com/news/NREL-closed-loop-pumped-storage-hydro-study/691532/" rel="nofollow noopener" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">utilitydive.com/news/NREL-clos</span><span class="invisible">ed-loop-pumped-storage-hydro-study/691532/</span></a></p>
Henri Horn<p>New <a href="https://mastodon.energy/tags/IRENA" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>IRENA</span></a> study on <a href="https://mastodon.energy/tags/SectorCoupling" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SectorCoupling</span></a>.<br>=Interlinking the power sector with the broader energy sector (e.g. heating, cooling, mobility, <br>industrial processes) and thereby facilitating the integration of higher shares of variable renewable <br>energy sources into the power mix through enhanced grid flexibility.</p><p><a href="https://www.irena.org/Publications/2022/Dec/Sector-coupling-A-key-concept-for-accelerating-the-energy-transformation" rel="nofollow noopener" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">irena.org/Publications/2022/De</span><span class="invisible">c/Sector-coupling-A-key-concept-for-accelerating-the-energy-transformation</span></a></p>
Wolf-Peter Schill<p>I've been (somewhat) active here for the last two weeks, and I like it. Especially seeing that many peers also seem to make the transition form <a href="https://social.tchncs.de/tags/energytwitter" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>energytwitter</span></a> to <a href="https://social.tchncs.de/tags/energymastodon" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>energymastodon</span></a> is great! Also thanks to <span class="h-card"><a href="https://social.coop/@ZaneSelvans" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>ZaneSelvans</span></a></span> and many others for working on <a href="https://social.tchncs.de/tags/energymastodon" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>energymastodon</span></a> to become a real thing! 👏 </p><p>So maybe another <a href="https://social.tchncs.de/tags/introduction" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>introduction</span></a>, just using hashtags: I'm interested in<br><a href="https://social.tchncs.de/tags/renewables" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>renewables</span></a> <a href="https://social.tchncs.de/tags/energy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>energy</span></a> <a href="https://social.tchncs.de/tags/storage" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>storage</span></a> <a href="https://social.tchncs.de/tags/opensource" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>opensource</span></a> <a href="https://social.tchncs.de/tags/modeling" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>modeling</span></a> <a href="https://social.tchncs.de/tags/opendata" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>opendata</span></a> <a href="https://social.tchncs.de/tags/sectorcoupling" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>sectorcoupling</span></a> <a href="https://social.tchncs.de/tags/electricvehicles" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>electricvehicles</span></a> <a href="https://social.tchncs.de/tags/hydrogen" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>hydrogen</span></a> <a href="https://social.tchncs.de/tags/dunkelflaute" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>dunkelflaute</span></a> <a href="https://social.tchncs.de/tags/energiewende" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>energiewende</span></a> 🔌</p>
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