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Gunnar Luderer Profile picture
Gunnar Luderer
@GunnarLuderer
Energy Researcher. Leader of energy systems group @PIK_climate. Professor of Global Energy Systems @TUBerlin. @[email protected]. Views are my own.
Oct 25, 2022 • 15 tweets • 7 min read
Klimaschutz trotz Energiekrise? Unsere neue Szenarienstudie @AriadneProjekt zeigt, wie der Gasverbrauch schon in den nächsten Jahren um 30% gesenkt und gleichtzeitig die Klimaziele eingehalten werden können. Ein langer :thread 🧵 ariadneprojekt.de/pressemitteilu… Zunächst: Warum macht 30% Minderung Sinn? Dafür gibt es mehrere Gründe. (1) Angebotsknappheit und geopolitische Abhängigkeiten, (2) Mengen- und Preiseffekt sorgen für doppelte Dividende bei Gaskostensenkung, (3) Vermeidung von Lock-Ins bei der Gasversorgung, (4) Klimaschutz.
Jan 3, 2022 • 8 tweets • 6 min read
(1/8) A few thoughts on the current debate about the #EUTaxonomy on sustainable energy finance, especially the classification of #gaspower and #nuclear. (2/8) #Nuclear power has a very peculiar risk profile. It certainly is climate-friendly, with small life-cycle CO2 emissions (like wind and PV). But its waste problem and nuclear accident risks are unique. Ultimately a value judgement whether or not these eco-risks are acceptable
Nov 25, 2021 • 9 tweets • 7 min read
We are in the midst of a huge technology revolution. In the 2010s, costs for solar PV have decreased by 85%, for wind power by 50% (@REN21 ), and batteries are repeating that pattern. Solar and wind are already the cheapest electricity option in most parts of the world. However, electricity currently only accounts for 20% of global final energy, because it is the most costly energy carrier. The remaining 80% non-electric are mostly fossil-based. Transitioning non-electric fuels to low-carbon will take much longer than decarbonizing electricity.
Nov 25, 2021 • 10 tweets • 7 min read
Energy Revolution Ahead? Quite possible! Our new paper @NatureEnergyJnl explores the prospects of renewables-based electrification towards limiting warming at 1.5°C.
nature.com/articles/s4156…
Thread on the key points. We are in the midst of a huge technology revolution. In the 2010s, costs for solar PV have decreased by 85%, for wind power by 50% (@REN21), and batteries are repeating that pattern. Solar and wind are already the cheapest electricity option in most parts of the world.