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Andreas Graf Profile picture
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18 Feb, 4 tweets, 1 min read
'The 322 foot (98 meter) tower, whose construction was confirmed on Jan. 29 by sustainable developer UTB, the state of Berlin and the borough of Friedrichshain-Kreuzberg the will be made largely of wood.'
bloomberg.com/news/articles/…
'If the project lives up to the progressive aspirations declared by the developer and city, WoHo could serve as a template for how to build a charismatic architectural showpiece in an up-and-coming neighborhood without exclusion or displacement.'
'Friedrichshain-Kreuzberg officials say the goal is not just to provide new housing: It is to direct Berlin, and other cities, “towards a social and ecological paradigm shift.'
'One third of these homes will be affordable co-operative housing, one third will be market-rate owner-occupied units, and one third will be rent-controlled apartments — overriding the law that exempts new construction from Berlin’s current city-wide rent freeze.'

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More from @andreasgraf

Andreas Graf Profile picture
19 Feb
This could be big! The German Ministry of Economic Affairs and Energy has just today launched a national dialogue for scaling up policy ambition to achieve climate-neutral heating by 2050. The opening thesis statements are stunning.
bmwi.de/Redaktion/DE/P…
Thesis 1: Emissions trading will become a lead instrument for heat transition. Image
Thesis 2: Energy taxes, levies and surcharges have to be fundamentally reformed. Image
Read 9 tweets
Andreas Graf Profile picture
12 Oct 20
One of the more interesting aspects of this very informative new @H2Europe report is its analysis comparing the cost of producing renewable hydrogen for electrolysis projects connected to the grid vs islanded systems with direct connection of renewables.
This table provides an overview of the two schematic production scenarios. For both scenarios, key techno-economic parameters of the electrolysis were adopted based on current state-of-the-art 10,000 kW alkaline electrolysis.
For 2019, the study estimates that production costs using grid electricity in the EU (together with Norway and the UK) are in the range of €2.6 – 9.5/kg, with the average for all countries being €4.7/kg and a median of €4.2/kg.
Read 32 tweets
Andreas Graf Profile picture
12 Oct 20
Die Umstellung des deutschen Mietmarkts von Kalt- auf Warmmieten kann den klimafreundlichen Umbau von Mietshäusern fördern und gleichzeitig Mieter vor teuren, ineffizienten Modernisierungen schützen.
agora-energiewende.de/presse/neuigke…
Vorbild ist Schweden, wo seit dem Jahr 2000 eine Kombination aus steigenden CO₂-Preisen bei gleichzeitiger Einführung des Warmmieten-Prinzips gilt. Die Emissionen der dortigen Haushalte sind seither um 95 Prozent gesunken.
Die Vier Voraussetzungen für eine erfolgreiche Wärmewende sind 1) Warmmieten, 2) stetig steigende CO2-Preise auf Brennstoffe, 3) staatliche Förderung, sowie 4) verpflichtende Sanierungsfahrpläne.
Read 4 tweets
Andreas Graf Profile picture
12 Oct 20
The EU Hydrogen Strategy is about scaling renewable hydrogen production to levels beyond current EU consumption levels for conventional fossil hydrogen. At 0.1% of current hydrogen production, we better get to it.
Current hydrogen demand is largely concentrated in a handful of applications, in particular diesel fuel refining and ammonia production for fertilizers.
Most of this H2 production is 'captive', meaning it is produced on site at the location of consumption. Some of it is produced as a by-product of other production processes, such as chlor-alkali production or coke oven gas. A small share is from separate 'merchant' producers.
Read 20 tweets
Andreas Graf Profile picture
12 Dec 18
THREAD: AGRICULTURE, WASTE & NON-CO2 EMISSIONS

1/ The last two weeks I unpacked 2030 energy sector results in the @EU_Commission's new EU 'Long Term Strategy' and took a closer look at Buildings, Industry, Transport. Today, I cover what remains.

2/ Energy related emissions account for 79% of EU GHG emissions and includes the production of electricity & heat generation, and fuel combustion in industry, buildings, transport & agriculture. Other GHG emissions come from agriculture, waste & non-energy industy processes.
3/ Agriculture, Waste and Non-energy Industry also make up the other main sectors in the 'Non-ETS' Sectors outside of the scope of the EU Emissions Trading System, aside from the Transport & Buildings Sectors.
Read 26 tweets
Andreas Graf Profile picture
6 Dec 18
THREAD: SECTORAL DEEP DIVE - TRANSPORT IN 2030

1/ Recently I highlighted key 2030 energy modelling results in the @EU_Commission's new EU 'Long Term Strategy' and did deep dives on Buildings & Industry. Today I take a closer look at the Transport Sector.
2/ Transport represents around a third of the final energy consumption in the EU. All sectors have seen emissions reductions since 1990, with the exception of transport, which has increased by nearly +25%. The currently dominant transport technologies rely on oil based fuels.
3/ Decarbonizing the transport sector will require an integrated approach: 1) increasing vehicle efficiency, 2) promoting low- and zero emission vehicles and infrastructure, 3) fuel switch to alternative and net-zero carbon fuels for transport and 4) electrification of transport.
Read 26 tweets

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