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Posts
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Joined
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Days Won
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Everything posted by SteamyTea
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Hybrid Off Grid Energy Feasibility
SteamyTea replied to Curtis's topic in General Alternative Energy Issues
Went pop a decade ago (about the same time as most of the small turbine manufactures went, including the one I worked for). They were bought by Kingspan (who bought up a few RE companies), but pretty sure they have pulled out the market. As a rule, small turbines are pretty poor on performance and reliability. You will need a large battery system to smooth out the constantly changing output. PV is easier all round. -
And smelly.
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Any help. https://www.octopusreferral.link/octopus-energy-tariffs/ One simple thing parliament could do is force all the energy companies to publish the meter rental charge and the kWh rates. I know that it may be a long list for some as they have multiple tariffs, but that is there lookout for creating stupid schemes.
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Who you with? E.ON prices seem to be here. https://www.eonenergy.com/gas-and-electricity/our-product-prices.html Out having a coffee, so paying about £300/kWh atm.
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Main reason it isn't done is that the energy transfer is low. Or in English, you have to shift a lot of air. MVHR is not designed to do this, it moves only a few litres a second. This can be overcome with larger pipework, doubling the diameter, quadruples the flow rate for the same airspeed, this helps to keep noise down. Also worth remembering that sound can easily travel through pipework. So a quiet chat in the kitchen may well be heard in the bedroom. Have you had your place properly thermally modelled?
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When I was studying all this a decade ago, I found the DECC reports pretty good. https://www.gov.uk/government/collections/energy-and-emissions-projections
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I am not sure how much my mate would charge me for the MCS, he only has the RHI one, but it is a cheap conversation to add on the PV, so we shall see. At the moment I am thinking just self install.
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Thought crossed m mind to. Rather than whinge and whine about it, we could be looking to see what we can do to reduce imported power to the home. I was just about to buy an A2AHP, but my plumber mate is not bothering to get his F-Gas, think getting his MCS has exhausted him. But he is looking at prices for small, inverter driven, ASHPs. This will be a much more expensive installation as I am changing from night storage to HP, so new cylinder, radiators (fancy skirting ones), rerouting pipe work, new consumer unit etc. May do it in two stages, fit all the plumbing and run it off a 100lt buffer heated at night, then I will have the data to choose an ASHP. Am also looking at PV again, if I can fit 4 metres on modules to my roof, I should manage to get 8 modules up there. So somewhere around 2.4 kWp installed capacity. Trouble is, during the spring, summer and autumn, I only use about 4 kWh/day, winter it goes up to 13 kWh/day.
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I am a frequent emailler to You and Yours (Radio 4) about this, but they take no notice. Here is EDFs https://www.edfenergy.com/sites/default/files/r505_deemed_rate_card.pdf Others can look up there suppliers prices
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Without looking at the figures, i don't think that the Dutch and French (half capacity ATM) deliver enough power to make a price difference. They are more to do with balancing, and in the case of the French interconnect, reducing emissions. The new generation capacity will make a difference, but not as much as the price of gas changing.
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Suckers
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Energy supplier gone bust
SteamyTea replied to CotswoldDoItUpper's topic in General Self Build & DIY Discussion
3 more gone this week. How many more little ones are there? -
If you kill a tree root artificially i.e. quickly, can this cause problems with the ground sinking/shrinking?
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Try this. An architect, like a medical doctor, needs to be registered to practice (while calling themselves an architect) https://arb.org.uk/public-information/before-hiring-an-architect/architects-register/
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No. You may have problems when you come to sell up. I think your neighbour is doing an illegal extension and thinks that none of the rules apply to them. Have you checked out that their architect is registered?
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Certainly not written by a solicitor. Something does not seem right here at all. I hope you have decent building insurance with legal cover.
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Hybrid Off Grid Energy Feasibility
SteamyTea replied to Curtis's topic in General Alternative Energy Issues
Ignoring my dislike for wood burning, how many kg/day do you burn? Knowing that, and PV performance for Skye, it should be easy to work out what size PV system would be needed to offset it. -
Hybrid Off Grid Energy Feasibility
SteamyTea replied to Curtis's topic in General Alternative Energy Issues
I think your energy usage seems high. What are you basing that on? You can, with some careful design, get down to 50 kWh/m². Small wind turbine tend not to be very good, and are expensive. PV, though pretty poor in the winter is the way to go. With 5 acres of land, and assuming you can get planning permission, you would be better off spending £15k on a ground mount system. But as that is half the cost of a grid connection, I would go with that because another £15k will go on battery storage. Or just get a small CHP unit and get your heat and power from a diesel tank. -
Wash your mouth out with soap.
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ASHP contractor in East Midlands
SteamyTea replied to gravelld's topic in Air Source Heat Pumps (ASHP)
Don't seem that long ago to me. But then neither does 1979. -
Energy supplier gone bust
SteamyTea replied to CotswoldDoItUpper's topic in General Self Build & DIY Discussion
I have stuck with EDF years now. They have never been the very cheapest, nor the most expensive (I am limited in choice where I am). When I have looked at switching, the differences are so small i.e. £9 saving last year, it is hardly worth the bother. EDF have had some good deals, and they are backed by the French government, and I suspect the generation side is totally different from the retail side. -
ASHP contractor in East Midlands
SteamyTea replied to gravelld's topic in Air Source Heat Pumps (ASHP)
You could sell the oil to passing motorists. 1.40 a litre. -
Does party wall agreement come into this?
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Yes, my nuts.
