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Last seen: Sep 17, 2026
The National Grid provides a 'balance' of supply & demand, and the 50Hz sychronisation.The energy-mix varies according to your geographical locati...
I agree with @batalto but will add one additional factor: If the Sofar ME3000SP was an inverter which could operate in parallel, then theoretically ...
That's a better explanation than mine @derek-m I'm still thinking through the situation which @chris-a raised, in which he wishes to retain an exist...
Precisely! And for this reason I've just copied your text and the response from @derek-m into a new topic in the area about Solar Thermal. I think t...
Me too @chris-a @derek-m and I have had a previous discussion about whether solar thermal should continue to be used as an input to a DHW cylinder, ...
Mea culpa! Desperately resisting the temptation to respond to @derek-m about the technicalities of combating grid losses and lack of engineering kno...
The graph I posted comes directly from a data-set supplied to me by a very senior engineer/manager at a DNO. He sent it to demonstrate the voltage var...
If it were that simple, that raises the question of why heat-pump manufacturers aren't installing capacitors. Perhaps it is that simple... but becau...
Read what @batalto said about his Pylontech batteries here
If DNOs were to install batteries to minimise phase-imbalance losses, they would need to be sited at local substations. There are 230,000 ground-mount...
I have been discussing the network losses with Western Power Distribution (WPD) over the past 4 years - a conversation which commenced with the Ofgem-...
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Degrees of Separation
Latest Posts
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RE: Heat Pump deployment statistics: June 2026
To my eyes, sat behind all of this is a basic policy ma...
By Temperature_Gradient , 6 hours ago
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Thank you @majordennisbloodnok – that means a lot, part...
By Mars , 10 hours ago
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We’ve just passed 20 million forum views! 🎉
It's official. The Renewable Heating Hub forums have of...
By Mars , 10 hours ago
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RE: Missing flow temperature in Heat Geek proposal
That calculation is reasonable, output is proportional ...
By JamesPa , 13 hours ago
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RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
Have you looked at the Nibe website? They list their ap...
By Lizzie , 14 hours ago
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RE: Why are ASHP installs so expensive?
A not unreasonable position and it wouldn’t be mandator...
By AndrewJ , 14 hours ago
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RE: Who's your electricity provider and what's your tariff?
@batpred When the raw material input has increased in c...
By Papahuhu , 2 days ago
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We kept ours and Heat Geek would have been in touch if ...
By Batpred , 2 days ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@ian-s I would encourage you to have a conversation ...
By Rob of York , 3 days ago
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RE: Is it the house or the equipment?
Thanks @jamespa The last hard to fix draughts in the...
By springswood , 3 days ago
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RE: Vaillant Arotherm – Using Heating
@l8again Mine is typically using 11w including the i...
By Batpred , 3 days ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
If you have a flowmeter and two temperature probes, the...
By bobflux , 3 days ago
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RE: Siting of the external sensor on a heatpump
@jamespa Absolutely. Even if the same mistake was mad...
By Batpred , 3 days ago
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