Energy Notes

Benchmarks, notes, talking points, tools for the energy transition; #energyefficiency #renewables #electrification #energyflexibility

[Energy Notes @Notes4Energy]

@anunezjimenez @readwise save

[Jan Rosenow @janrosenow]

NEW PAPER: Why the 'Fabric First' dogma is out of date and needs a radical rethink.

With our paper we want to provoke and start a discussion rather than provide all the answers.

More in this 🧵

Paper with @ecioxford @UCL_Energy @NTUadbe in @BuildingsCities

[Energy Notes @Notes4Energy]

Sustainable planning and lifecycle thinking of energy infrastructure - https://t.co/T5IlJsdgst #ScholarAlerts

A short article from science on various approaches to integrated thinking about sustainable energy systems, and how to expose tradeoffs.

[Energy Notes @Notes4Energy]

"One of the best strategies [to move forward] is to lower the stakes." ~ Rick Rubin

Very recognizable quote that explains some of the inaction that we sometimes observe.

[Energy Notes @Notes4Energy]

An early reference to 'spaceship earth' and circular econmy. https://t.co/mTxuWVuy9C

[Energy Notes @Notes4Energy]

"Even now we are very far from having made the moral, political, and psychological adjustments which are implied in this transition from the illimitable plane to the closed sphere." ~ Kenneth Boulding (1966)

[Energy Notes @Notes4Energy]

Land-use (including mining) for various electricity generation technologies from @OurWorldInData: midpoints between 1 and 25 m2/MWh.yr

Further benchmarks:
* residential electricity use in EU: ~3.5 MWh/yr
* in an all-electric home: ~10 MWh/yr

https://t.co/AcU94P1ZJI

[Energy Notes @Notes4Energy]

Are Electric Cars Sustainable?

A nice review of a complex question, identifying the environmental hotspots for improvement, and how various BEV OEMs perform on them. https://t.co/tdxoYulP1W

[Energy Notes @Notes4Energy]

@Gordon_DHG @AllElectricEU @aberdeenuni Correct, but one needs seasonal storage only for the seasonal unbalance which is, for example, around 2 weeks of winter supply.

In a decarbonised world, is green hydrogen really the only solution we have at our disposal?

[All Electric EU 🇪🇺 @AllElectricEU]

Green hydrogen for domestic heating!? It would need 4-5 more renewable electricity than a heat pump. How can this be ever justified?
Excellent work from the University of Aberdeen’s Professor Tom Baxter @aberdeenuni
#heatpumps #allelectriceu #electrifynow #hydrogen

[Energy Notes @Notes4Energy]

A few thoughts:
* ESG claims need to be able to withstand scrutiny, but so do greenwash claims.
* There are no inherently green products.
* ESG is about alignment, data, disclosure, education, transparency, and it's a long-term effort.

[Wal van Lierop @WalvanLierop]

While the intention of ESG investing should be applauded, investors are right to wonder: what is the ESG scam level? The question is: what really qualifies a stock for inclusion in an ESG fund?
See @forbes https://t.co/9cQbGeESez #ESG #ElonMusk #SEC #ExxonMobil #S&PGlobal #Tesla

[Energy Notes @Notes4Energy]

Good checklist for credible claims:
1) use standards or good practices
2) measure & bring data
3) verify by a third party
4) set a target & improve
5) define & expand scope
https://t.co/qzCZtcxwpc @EnergyEval

[Energy Notes @Notes4Energy]

Welcome and timely review of the state of play on peer-to-peer, community self-consumption and transactive energy, expanding the boundary of imagination on the future energy system 👌
https://t.co/bdGwQ7WPwI @users_tcp @SamuelDLThomas

[Energy Notes @Notes4Energy]

Speed is not very sustainable. At 40 Gb/s, this cable is fast and smart, but most the 40+ materials in its electronics at unlikely to be recoverable.
https://t.co/kp719DvRio #sustainability #circularity

[Energy Notes @Notes4Energy]

Considering that an average car is driven 35 km per day, three to four hours of (Australian) sunshine suffice to keep this car unplugged. @dgcarvajal

[Energy Notes @Notes4Energy]

Do solar-powered cars make sense? Here are a couple of numbers to help you make up your mind:
* 5 sqm of solar panels
* one hour of charging provides 12 km range (at 100 km/h)

https://t.co/sz2hZGC5JB #emobility via @LVinckx

[Energy Notes @Notes4Energy]

There is still low-hanging fruit to conserve energy.

#energyefficiency

[Jan Rosenow @janrosenow]

How far do you need to drive an electric vehicle until it reduces carbon emissions compared to a petrol or diesel car? With the current electricity mix in Germany it is 40,000km. Great graphic by @martindopp @KITKarlsruhe.

[Jan Rosenow @janrosenow]

Major new German hydrogen study by @oekoinstitut for @StiftungKlima. Key role seen in industry, electricity system balancing, aviation & shipping. Very limited role for hydrogen in transport and buildings.

https://t.co/NGLNKUCrPE

THREAD 1/6

[Energy Notes @Notes4Energy]

By 2050, we will be hunting grams and kilograms of CO2, instead of today's tons.

[The Copper Tutorial @CopperTutorial]

@BengtHojer @thinkcopper @CC_Yale @GWECGlobalWind Thanks for raising the bar! I like this perspective 👍😀. Without fossil fuels, we are now talking about a difference between 2.5, 4 or 12 g CO2e/kg instead of today's 300 - 700 g. The @VattenfallGroup article covers the right angles.