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Jan Rosenow Profile picture
@janrosenow
Jun 29, 2023 • 12 tweets • 6 min read • Read on X
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Beer made with heat pumps is becoming a thing.

Yes, that's right - a 🧵 on the electrification of beer brewing.
1/ First up: @hepworthsbeer partnered with @futraheat & @energygovuk to install and trial their heat pump prototype at the brewery.

It recovers low grade waste heat and boosts it up to 150°C reducing fossil fuel use by up to 90%.

https://t.co/EET7fRweuOcoolingpost.com/uk-news/uk-fun…
2/ Next is @Feldschloss1876 - they make 250 million bottles and cans of beer in Rheinfelden, Switzerland.

A heat pump makes this process more efficient and reduces the company's annual CO2 emissions by 275 tonnes.

https://t.co/zxd4kQoHFsenergieschweiz.ch/stories/waerme…
3/ Sinebrychoff in Finland is the oldest brewery in the Nordic countries and has been labelled Finland's most energy-efficient brewery. Heat recovered from the brewing process through heat pumps now supplies around 26% of the plant’s annual heating needs.

https://t.co/pcMkRzPKUXecopal.fi/en/industry-an…
4/ @Heineken working with @Eneco is about to install a 4 MW heat pump in the village of Zoeterwoude, the site of the largest brewery in the European Union.

https://t.co/CAv96F5ipeeneco.com/wat-we-doen/kl…
5/ Ayinger Brewery in Germany uses a heat pump in the bottle cleaning process reducing energy and water consumption of this process by almost 90%.

https://t.co/pGxve7CX7Kenergie-experten.org/projekte/braue…
6/ Across the pond in the US @newbelgiumbeer partnered with @AtmosZeroSteam to introduce a 650 kW heat pump system at New Belgium Brewing’s headquarters facility in Colorado.

insidehook.com/daily_brief/fo…
@newbelgiumbeer @AtmosZeroSteam 7/ In Austria people heat with waste heat from beer brewing.

Brewing beer releases lots of heat.

In this example 800 homes near the are heated using waste heat upcycled by a heat pump.

https://t.co/wQx27XFtvYbrauwelt.com/en/topics/ferm…
8/ Over in Australia @3ravensbrewery Melbourne’s Oldest Independent Brewery is fitting a heat pump to capture waste heat from the brewing process reducing their energy consumption by over 70 per cent.

https://t.co/bdHaOgutJ3foodanddrinkbusiness.com.au/news/3-ravens-…
@3ravensbrewery 9/ Austrian brewery @Mohrenbrauerei which has installed a 370 kW heat pump including a heat storage unit.

The heat pump saves the burning of
1.8 GWh/a of fossil fuels and had a payback period of less than 6 years.

https://t.co/3kP3Gt4Oy4sintef.no/globalassets/s…
10/ Dutch @Gulpener brewery installed a 650 kW heat pump in the new brewhouse, which saves 75% energy compared to the old brewhouse.

https://t.co/dGRfSAQU4Sentreemagazine.nl/ondernemen/gul…
Please share more examples you can find. I'd love to extend the list!

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More from @janrosenow

Jan Rosenow Profile picture
Sep 12
"Why are electricity prices so high if renewables break generation records and are so cheap?" I have been asked.

The main reason: Gas still sets the price 63% of the time in wholesale electricity markets in EU27 & >90% in some countries.

The graphic is from the Draghi Report. Image
For those wanting to understand why the most expensive generator dispatched sets the price I highly recommend this explainer by @LionHirth hertie-school.org/en/news/detail…
The same issue is also very prevalent in the UK market as recent @UCL_Energy analysis shows.

ucl.ac.uk/bartlett/susta…
Read 4 tweets
Jan Rosenow Profile picture
Aug 31
I love it when "experts" like Richard make sweeping claims that more wind and solar will result in more outages without ever looking at the real data.

Here's the data for Germany:

Wind + solar had a share of 33% of electricity in 2022. ➡️But there were 43% FEWER interruptions than in 2006 when wind + solar contributed only 5%.Image
1/ This is no different for other countries. Here's data from @CEERenergy on the minutes of interruptions per customer per year (SAIDI). Whilst wind and solar have seen record growth in Europe customer DO NOT experience more interruptions. ceer.eu/publication/7t…Image
2/ James Glennie also plotted grid reliability vs. wind & solar penetration in Europe and the US.

I struggle to see that places with a lot of wind and solar have more outages.

Why? Because the data doesn't show that. There simply is no correlation between grid outages and the share of wind and solar.

Image
Image
Read 4 tweets
Jan Rosenow Profile picture
Jun 25
NEW RESEARCH: What do we do with the gas grid when gas demand drops?

A new regulatory approach is urgently needed to ensure costs for gas grid do not spiral out of control.

@RegAssistProj @heatpolicyrich @CKemfert

Free copy here 👇


Key findings in 🧵. authors.elsevier.com/a/1jJcf9C%7EIu…
Image
1/ Modelling at EU level indicates that gas demand will decline by 71-73% by 2050 as part of the path to net zero climate targets.

Importantly this includes ALL gases including hydrogen and biomethane. Even after considering alternative gases overall gas demand still declines by more than 2/3.Image
2/ Similar modelling has been done for the UK by @NationalGridESO showing that overall gas demand will decline under all scenarios. Image
Read 10 tweets
Jan Rosenow Profile picture
May 27
How to reduce the vast amount of operational emissions from buildings from heating, cooling and appliances?

Today I delivered a scene setting presentation at a United Nations Framework Convention on Climate Change event. Some key takeaways from my presentation in this 🧵 Image
1/ Until recently operational emissions from buildings were the elephant in the room. This is changing now with more attention being paid to them. Image
2/ In 2022, operational energy demand in buildings (for space heating and cooling, water heating, lighting, cooking and other uses) accounted for a whopping 30 per cent of final energy demand. 27% of total global CO2 emissions are from operational energy use in buildings. Image
Read 13 tweets
Jan Rosenow Profile picture
Apr 26
"Will we be warm?" I was asked last night by a friend thinking of installing a heat pump in an old not well insulated Victorian house.

My response: "Yes you will."

Heat pumps can work in any building if sized, designed and installed correctly. 🧵

carbonbrief.org/factcheck-18-m…
Image
1/ Many uninsulated homes and buildings are already heated to comfortable temperatures with heat pumps, as shown across multiple case studies, including an uninsulated stone church. isoenergy.co.uk/projects#sort=…
Image
2/ A building loses heat through the walls, the windows and the roof when it is colder outside than inside, as shown by the stylised arrows in the figure in the main post above. The upper panels show an outdoor temperature of 10C, coloured purple, and an indoor temperature of 20C, coloured red.
Read 13 tweets
Jan Rosenow Profile picture
Mar 16
Energy transition critics often point to primary energy use to demonstrate that it's going to be impossible.

But 72% of the global energy input is currently lost after conversion.

The problem we're trying to solve here is a lot smaller than primary energy use might suggest.🧵 Image
1/ The future energy system will be characterised by a lot more "electricity-only" renewables (mainly solar and wind). Many of the conversion losses are currently due conversion losses at the electricity generation stage. This will no longer be anywhere near as significant in a system dominated by solar and wind.
2/ All end-use sectors will use significantly more electricity. This will result in much higher end-use efficiency and globally could reduce final energy use by up to 40%.
Read 7 tweets

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