Nikolai Beier
@beiernikolai.bsky.social
Electronics nerd, Audio systems geek, great interest in fossil-free energy supply.
Doing odd stuff: Helped renovate an old fortress at sea, for scouting. Hard and fun!
Doing odd stuff: Helped renovate an old fortress at sea, for scouting. Hard and fun!
Over a whole year, the generation from solar reduces the consumption of methane gas by a lot.
The cost to generate electricity gets reduced, overall.
Even though solar generation is minute some days, it is still very useful over the years.
Russia cannot raise the price of the electricity from PV.
The cost to generate electricity gets reduced, overall.
Even though solar generation is minute some days, it is still very useful over the years.
Russia cannot raise the price of the electricity from PV.
December 12, 2025 at 10:55 PM
Over a whole year, the generation from solar reduces the consumption of methane gas by a lot.
The cost to generate electricity gets reduced, overall.
Even though solar generation is minute some days, it is still very useful over the years.
Russia cannot raise the price of the electricity from PV.
The cost to generate electricity gets reduced, overall.
Even though solar generation is minute some days, it is still very useful over the years.
Russia cannot raise the price of the electricity from PV.
As people with gas boilers typically buy much more energy as gas than electricity, the *proportions* of a shift could look like a 5 p/kWh reduction on electricity and just 1 p/kWh on methane added.
December 3, 2025 at 10:16 PM
As people with gas boilers typically buy much more energy as gas than electricity, the *proportions* of a shift could look like a 5 p/kWh reduction on electricity and just 1 p/kWh on methane added.
All households use some amount of electricity, so if the levy on electricity is reduced, every household will save some money, which can then be used for a levy on gas.
Shifting levies will make the transition easier, without messing with the cost of living, if done right.
Shifting levies will make the transition easier, without messing with the cost of living, if done right.
December 3, 2025 at 10:15 PM
All households use some amount of electricity, so if the levy on electricity is reduced, every household will save some money, which can then be used for a levy on gas.
Shifting levies will make the transition easier, without messing with the cost of living, if done right.
Shifting levies will make the transition easier, without messing with the cost of living, if done right.
Many boilers seems to be adjust for maximum heat power output regardless of efficiency, with temperature settings way over say 50 C, even if the radiator system happens to be able to keep up with the heat loss a lower radiator temperatures.
Customers seldom ask for efficiency, but fear being cold.
Customers seldom ask for efficiency, but fear being cold.
December 3, 2025 at 10:05 PM
Many boilers seems to be adjust for maximum heat power output regardless of efficiency, with temperature settings way over say 50 C, even if the radiator system happens to be able to keep up with the heat loss a lower radiator temperatures.
Customers seldom ask for efficiency, but fear being cold.
Customers seldom ask for efficiency, but fear being cold.
Most people who struggle to afford to buy gas for heating, do not know that they would be able to save 5 to 10 % just by adjusting the temperature dial for radiator water on their boiler down a bit, given that a lot of boilers are not adjusted to maximum efficiency, without "weather compensation".
December 3, 2025 at 10:01 PM
Most people who struggle to afford to buy gas for heating, do not know that they would be able to save 5 to 10 % just by adjusting the temperature dial for radiator water on their boiler down a bit, given that a lot of boilers are not adjusted to maximum efficiency, without "weather compensation".
Pressemeddelelsen på engelsk: www.consilium.europa.eu/en/press/pre...
Council and Parliament strike a deal on rules to phase out Russian gas imports for an energy secure and independent Europe
The Council and the European Parliament reached a provisional deal on the REPowerEU regulation to gradually phase out Russian gas imports, with the aim of ending any dependency on Russian gas and stre...
www.consilium.europa.eu
December 3, 2025 at 1:47 PM
Pressemeddelelsen på engelsk: www.consilium.europa.eu/en/press/pre...
At se på Danmarks gas-forbrug isoleret fra resten af Europa og Ruslands bombardering af Ukraine, hjælper ikke til at afvæbne Rusland.
Selv om Danmarks udvinding af metan har oversteget forbruget i Danmark, påvirker størrelsen af vores forbrug stadig størrelsen af metan-importen til Europa.
Selv om Danmarks udvinding af metan har oversteget forbruget i Danmark, påvirker størrelsen af vores forbrug stadig størrelsen af metan-importen til Europa.
December 3, 2025 at 1:01 PM
At se på Danmarks gas-forbrug isoleret fra resten af Europa og Ruslands bombardering af Ukraine, hjælper ikke til at afvæbne Rusland.
Selv om Danmarks udvinding af metan har oversteget forbruget i Danmark, påvirker størrelsen af vores forbrug stadig størrelsen af metan-importen til Europa.
Selv om Danmarks udvinding af metan har oversteget forbruget i Danmark, påvirker størrelsen af vores forbrug stadig størrelsen af metan-importen til Europa.
Jo mere vi kan sænke metan-forbruget, og dermed mindske importen ind til Europa, jo billigere bliver det at købe gassen andre steder fra.
Jo mindre gas vi europæere importerer, jo tydeligere vil det blive, at vi ikke længere behøver energi fra Rusland, og kan klare os fint økonomisk.
Jo mindre gas vi europæere importerer, jo tydeligere vil det blive, at vi ikke længere behøver energi fra Rusland, og kan klare os fint økonomisk.
December 3, 2025 at 12:56 PM
Jo mere vi kan sænke metan-forbruget, og dermed mindske importen ind til Europa, jo billigere bliver det at købe gassen andre steder fra.
Jo mindre gas vi europæere importerer, jo tydeligere vil det blive, at vi ikke længere behøver energi fra Rusland, og kan klare os fint økonomisk.
Jo mindre gas vi europæere importerer, jo tydeligere vil det blive, at vi ikke længere behøver energi fra Rusland, og kan klare os fint økonomisk.
The size of the Danish population seems not relevant for the speed, that other countries can make a transition away from fossil fuels now.
Now, products and technology are more mature, the supply chain is more developed, and scaling up series production can reduce the unit cost further.
Now, products and technology are more mature, the supply chain is more developed, and scaling up series production can reduce the unit cost further.
December 2, 2025 at 9:37 PM
The size of the Danish population seems not relevant for the speed, that other countries can make a transition away from fossil fuels now.
Now, products and technology are more mature, the supply chain is more developed, and scaling up series production can reduce the unit cost further.
Now, products and technology are more mature, the supply chain is more developed, and scaling up series production can reduce the unit cost further.
Who told you it was easy to be small?
For big populations, have a look at the United Kingdom, and the shift of their electricity generation from mostly coal to 0 coal in year 2024.
interactive.carbonbrief.org/coal-phaseou...
beyondfossilfuels.org/2024/09/29/t...
ember-energy.org/countries-an...
For big populations, have a look at the United Kingdom, and the shift of their electricity generation from mostly coal to 0 coal in year 2024.
interactive.carbonbrief.org/coal-phaseou...
beyondfossilfuels.org/2024/09/29/t...
ember-energy.org/countries-an...
Q&A: How the UK became the first G7 country to phase out coal power
The UK’s last coal-fired power plant, Ratcliffe-on-Soar in Nottinghamshire, is set to close at the end of this month, marking the end of a 142-year era of burning coal to generate electricity.
interactive.carbonbrief.org
December 2, 2025 at 9:11 PM
Who told you it was easy to be small?
For big populations, have a look at the United Kingdom, and the shift of their electricity generation from mostly coal to 0 coal in year 2024.
interactive.carbonbrief.org/coal-phaseou...
beyondfossilfuels.org/2024/09/29/t...
ember-energy.org/countries-an...
For big populations, have a look at the United Kingdom, and the shift of their electricity generation from mostly coal to 0 coal in year 2024.
interactive.carbonbrief.org/coal-phaseou...
beyondfossilfuels.org/2024/09/29/t...
ember-energy.org/countries-an...
Wer die Heizmethode (Gas oder Wärmepumpe) wählt, sollte die Umweltabgabe/CO₂-Steuer/ETS2 zahlen.
Wenn ein Vermieter eine Gasheizung wählt, muss er die Emissionen bezahlen (oder dem Mieter die CO₂-Steuer erstatten).
Wenn ein Vermieter eine Gasheizung wählt, muss er die Emissionen bezahlen (oder dem Mieter die CO₂-Steuer erstatten).
December 2, 2025 at 6:18 PM
Wer die Heizmethode (Gas oder Wärmepumpe) wählt, sollte die Umweltabgabe/CO₂-Steuer/ETS2 zahlen.
Wenn ein Vermieter eine Gasheizung wählt, muss er die Emissionen bezahlen (oder dem Mieter die CO₂-Steuer erstatten).
Wenn ein Vermieter eine Gasheizung wählt, muss er die Emissionen bezahlen (oder dem Mieter die CO₂-Steuer erstatten).
For comparison, the number of heat pumps for space heating sold and installed in the United Kingdom was
98 345 units in 2024
62 906 units in 2023
according to www.heatpumps.org.uk/resources/st...
98 345 units in 2024
62 906 units in 2023
according to www.heatpumps.org.uk/resources/st...
December 2, 2025 at 12:56 PM
For comparison, the number of heat pumps for space heating sold and installed in the United Kingdom was
98 345 units in 2024
62 906 units in 2023
according to www.heatpumps.org.uk/resources/st...
98 345 units in 2024
62 906 units in 2023
according to www.heatpumps.org.uk/resources/st...
It seems the import of methane from Russia into the E.U. the last 3 quarters was 10, 9 & 8 bcm per quarter.
To save that amount of methane, how many average households would need to switch from a gas furnace to a heat pump?
How much methane is replaced by the annual construction of wind farms?
To save that amount of methane, how many average households would need to switch from a gas furnace to a heat pump?
How much methane is replaced by the annual construction of wind farms?
November 25, 2025 at 8:07 PM
It seems the import of methane from Russia into the E.U. the last 3 quarters was 10, 9 & 8 bcm per quarter.
To save that amount of methane, how many average households would need to switch from a gas furnace to a heat pump?
How much methane is replaced by the annual construction of wind farms?
To save that amount of methane, how many average households would need to switch from a gas furnace to a heat pump?
How much methane is replaced by the annual construction of wind farms?
Interessant, at retur-vandets temperatur gerne skal under 40 C, for at få CO2-varmepumperne til at køre effektivt.
November 25, 2025 at 7:35 PM
Interessant, at retur-vandets temperatur gerne skal under 40 C, for at få CO2-varmepumperne til at køre effektivt.
Improving insulations reduces the heat loss of the building, and thus the running costs.
If the heat loss can be lowered more than say 1 kW, there may be a cheaper & smaller heat pump available, that meets the demand.
Bigger heat loss --> more expensive components & installation.
If the heat loss can be lowered more than say 1 kW, there may be a cheaper & smaller heat pump available, that meets the demand.
Bigger heat loss --> more expensive components & installation.
November 24, 2025 at 6:37 PM
Improving insulations reduces the heat loss of the building, and thus the running costs.
If the heat loss can be lowered more than say 1 kW, there may be a cheaper & smaller heat pump available, that meets the demand.
Bigger heat loss --> more expensive components & installation.
If the heat loss can be lowered more than say 1 kW, there may be a cheaper & smaller heat pump available, that meets the demand.
Bigger heat loss --> more expensive components & installation.
The pitfall of poor efficiency is with radiators and air-to-water heat pumps.
High efficiency requires a low-ich water temperature (the lower the better). For that, the radiators need to be big enough to emit enough heat/power with low temperature water.
High efficiency requires a low-ich water temperature (the lower the better). For that, the radiators need to be big enough to emit enough heat/power with low temperature water.
November 24, 2025 at 6:22 PM
The pitfall of poor efficiency is with radiators and air-to-water heat pumps.
High efficiency requires a low-ich water temperature (the lower the better). For that, the radiators need to be big enough to emit enough heat/power with low temperature water.
High efficiency requires a low-ich water temperature (the lower the better). For that, the radiators need to be big enough to emit enough heat/power with low temperature water.
The bigger the heat loss, the more powerful a heat pump needs to be (which also goes for boilers).
But heat pumps (and boilers) comes in all sizes from those in fridges to those that serves a whole city via district heating.
Choose a heat pump of a suitable power level --> high efficiency.
But heat pumps (and boilers) comes in all sizes from those in fridges to those that serves a whole city via district heating.
Choose a heat pump of a suitable power level --> high efficiency.
November 24, 2025 at 6:13 PM
The bigger the heat loss, the more powerful a heat pump needs to be (which also goes for boilers).
But heat pumps (and boilers) comes in all sizes from those in fridges to those that serves a whole city via district heating.
Choose a heat pump of a suitable power level --> high efficiency.
But heat pumps (and boilers) comes in all sizes from those in fridges to those that serves a whole city via district heating.
Choose a heat pump of a suitable power level --> high efficiency.
Og den næste havmøllepark, Thor, der er ved at blive opfør vest for Jylland (alle 72 fundamenter skulle være på plads), skulle få en maks-effekt omkring 1 GW og få en produktion svarende til forbruget i 1 million husstande. Det sidste er en lidt ulden enhed, men det betyder nok fra 3,5 til 4 TWh/år.
November 24, 2025 at 5:23 PM
Og den næste havmøllepark, Thor, der er ved at blive opfør vest for Jylland (alle 72 fundamenter skulle være på plads), skulle få en maks-effekt omkring 1 GW og få en produktion svarende til forbruget i 1 million husstande. Det sidste er en lidt ulden enhed, men det betyder nok fra 3,5 til 4 TWh/år.
Godt, for der er ikke rigtig noget offentlig information om varmepumperne, udover *at* de blev sat i drift.
Flere detaljer om processen vil være interessant, eftersom det der indgår udstyr, der hidtil nu, kun har været fremstillet i få eksemplarer.
Hvad skal de næste fjernvarmeværker holde øje med?
Flere detaljer om processen vil være interessant, eftersom det der indgår udstyr, der hidtil nu, kun har været fremstillet i få eksemplarer.
Hvad skal de næste fjernvarmeværker holde øje med?
November 22, 2025 at 8:20 PM
Godt, for der er ikke rigtig noget offentlig information om varmepumperne, udover *at* de blev sat i drift.
Flere detaljer om processen vil være interessant, eftersom det der indgår udstyr, der hidtil nu, kun har været fremstillet i få eksemplarer.
Hvad skal de næste fjernvarmeværker holde øje med?
Flere detaljer om processen vil være interessant, eftersom det der indgår udstyr, der hidtil nu, kun har været fremstillet i få eksemplarer.
Hvad skal de næste fjernvarmeværker holde øje med?
Reposted by Nikolai Beier
The number of heat pumps going into new residential buildings in Germany has risen dramatically, but - just like EVs with fleet turnover - this has to propagate to the entire housing stock. At least we can see that gas has now peaked in the German housing stock.
October 29, 2025 at 1:24 PM
The number of heat pumps going into new residential buildings in Germany has risen dramatically, but - just like EVs with fleet turnover - this has to propagate to the entire housing stock. At least we can see that gas has now peaked in the German housing stock.
So, the technology electrowinning" can be an alternative to blast furnaces fed with hydrogen (made from electricity), just as the technology "Molton Oxide Electrolysis" from e.g. 'Boston Metals' can, but below 100 C without melting the iron oxide.
October 25, 2025 at 5:08 PM
So, the technology electrowinning" can be an alternative to blast furnaces fed with hydrogen (made from electricity), just as the technology "Molton Oxide Electrolysis" from e.g. 'Boston Metals' can, but below 100 C without melting the iron oxide.