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I feel the need to share this delightful page from "Eager" by Ben Goldfarb about how the Scottish beavers were reintroduced. "Paul and Louise may not have actively released beavers, but they hadn't managed to keep them confined." https://twitter.com/guardianeco/status/1222908100757225474 …pic.twitter.com/lEGflrMwBr
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Energiewende's doing fine thanks. RE 35% of generation in 2018 and rising. This chart is electricity supply in Germany, from the German utilities association, BDEW. Kernenergie = nuclear. Erneurbare Energie = renewables. Braunkohle and Steinkohle = coal. https://www.bdew.de/.../energiewirtschaft-reduziert-co2.../ …pic.twitter.com/eQ3JjMQc5E
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Solar production and energy consumption at my house on the week of the shortest days (thanks
@SolarEdgePV). 13.2kW is only supplying 9% of my electricity at the right time, generating 13% of total use. Still, that is running a heatpump and loads of cooking.pic.twitter.com/m2UDPWgImv
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Would a video of an 18-month-old child jumping in very muddy puddles (in non-waterproof shoes) make your day better? If not don't click on this.pic.twitter.com/kFPFHwxtwq
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Considering revenge on my brother for not responding to an email asking about my nephew's current interests.pic.twitter.com/sYnfWS3DIj
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@BjornHolzhauer and our child, completely ignoring my request to run discretionary power loads only when the solar system is generating.pic.twitter.com/KAkvBjYhue
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Wheaty's seitan-based vegan chorizo is the only fake meat I've bought twice. It added spice, fattiness and texture to a squash, chickpea, onion and potato soup and is also quite nice just sliced and eaten with wine.pic.twitter.com/o8Yi3YDMhZ
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Trying to explain seasonality to a child who KNOWS THIS IS A BLACKBERRY BUSH AND WANTS BLACKBERRIES NOW, DAMMIT. (Separately, she is covered with mud.)pic.twitter.com/2IiIiyDpCe
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Honestly, machine learning could surely improve this selfconsumption with a bit of weather data and control over major appliances. Even in October we still get 20 kWh days. (The evening splurge is the heatpump in emergency mode because
@BjornHolzhauer wanted a really hot bath).pic.twitter.com/PbBebIhWvl
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Also reprogrammed the heatpump to run in the daytime to use the (now scanty) solar power. This shot is the system running fine again, with the heatpump running from 12:30.
@SolarEdgePV could also helpfully add an alert functionality to their app for abnormal usage.pic.twitter.com/XT0uXkkVX0
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We called our heatpump firm and a chap came out on Monday morning and fixed the broken sensors while I stopped the geese chewing him. It would be good to have a more obvious alert, though.pic.twitter.com/xWGczIVck2
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For people curious about the user experience of a heatpump: we had a failure this weekend after 3 years of faultless operation, & it was ok. It went into emergency mode and kept the house pretty warm, we only noticed the bath water was cooler than usual and checked the display.pic.twitter.com/EMyZz6BfAT
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Alix Chambris of Viessmann, asked to choose between gas and electric for the future of residential heating: "it is a bit like having to choose between husband and wife, and decide who will dominate.."
#BNEFSummitpic.twitter.com/oxxCQnAR2g
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Graham Smith of HSBC: some cities have made mistakes with electric buses and their reduced range up hills and in winter (when heating draws battery output). "Electric buses are expensive. Hydrogen buses are unbelievably expensive."
#BNEFSummitpic.twitter.com/wP9tRF3rga
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Jun Zhuge of Seraphim: we put so many solar plants in south California it caused a problem, we had to sell power to Nevada and Arizona for low prices. We can use storage instead to keep it for the evening.
#BNEFSummitpic.twitter.com/GwJs8pekb8
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Semih Oztreves of
@wartsilacorp says that many Australian RFP submissions for colocated wind and solar now include storage. Jun Zhuge of Seraphim also made the point that wind farms need to be more carefully sited than solar farms, because resource is less even.#BNEFSummitpic.twitter.com/rWJfMIKzb5
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My colleague Cecilia L'Ecluse shows that quite often the wind blows when the sun don't shine, and vice versa.
#bnefsummit#colocated#wind and#solarpic.twitter.com/fG99NKbNhr
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"Euro-denominated debt is 15% of global debt, but 43% of green bonds" - James Emmett of HSBC manages to make disclosure, taxonomy and the role of Europe in global green finance surprisingly clear and interesting.
#bnefsummitpic.twitter.com/ik09rQz4Hh
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It's not all about electricity. We could use hydrogen to make steel (and then we wouldn't have to store a load of tiny molecules with a Houdini complex).
#bnefsummitpic.twitter.com/4lx35ymJxj
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"The good news is that [according to our modelling] liquid fuel road emissions will peak; the bad news is that they peak in the 2030s" - Jon Moore,
#BNEFSummitpic.twitter.com/ypcisJZSgF
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