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There's a new Heat pump board over in the Energy section
Hi all As a result of feedback from Forumites and Ambassadors, we've created a new board within the Energy section for all things heat pump related. Find it here: https://forums.moneysavingexpert.com/categories/heat-pumps If you have any comments about this change, please let us know over on the 'Site Feedback' board.
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Green & Ethical MoneySaving sticky
♻️ Here are some Forum threads you might find useful: * Martin Lewis: Green MoneySaving Welcome & Introduction * So now I have a PV system, how do I make the most of it * Renewables: talking bout My Generation * On-grid domestic battery storage * Battery electric vehicle news thread * Green, ethical, energy issues in the…
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Best way to insulate 70+mm of hollow cavity wall?
Greetings, The properties on our estate were built in the early 90's and so we (incorrectly) presumed that we have some sort of insulation within our 70+mm wall cavity. As the image below highlights, this is not the case. Our NE facing wall is, by far, the coldest - we can feel a draft coming through parts of the wall on…
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Renewables: "talking 'bout my generation"
Please forgive the corny thread title inspired by The Who but this post on the bloated 'how do I make the most of it' thread prompted me to initiate a new one... Well, there was yet another misty and bleak start in North Notts today (Thursday), but my SSW 3.92 kWp system was generating around 3kW for just a few minutes…
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Cost of adding batteries to existing PV system.
I'd always shrugged off doing this as the return time would be too long. But I've recently seen some near-new battery setups being sold on FbMarketplace for prices that are hard to ignore - sometimes as little as £1.5k for excess of 10kWh. The Q is, what would the additional costs be should I jump? Ie, installation, and…
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EDF Fit Payment delay this quarter ? ( Submitted 01/09/26 )
Hi All, EDF have been and are usually really good with their turnaround of FIT readings into payments into the bank. This current payment seems to be slower though ….. and before someone starts. I know it’s only a week, I know that they say it can take up to 90 days etc. They usually pay extremely quickly and it shows as…
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Budget friendly PV + battery options - with or without Tesla P3.
Hi all, I'm looking for some advice particularly around whether it is worth stretching my budget for a Tesla Powerwall 3. I've had a couple of quotes (going to get more) and have been doing a lot of research, but for the next stage of quotes I want to to try and be more specific rather than open ended. I'm in Norfolk and…
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Gridpay vs. Octopus
I have been selling my surplus solar power to Octopus for several years. I also have a Tesla battery that Octopus drain at peak times and recharge with off-peak electricty. Last week myenergi (makers of Zappi chargers) have invited me to export my power to them via their Gridpay app. I can't find any comparison of Gridpay…
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Green, ethical, energy issues in the news
MSE Insert: We've seen some debate on this thread about the relevance of some posts to the topic. To ensure the thread remains on topic for forumites wanting to discuss the latest news we're asking that all posts contain a link to the news you're discussing. For the purposes of this thread the "news" needs to be within the…
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Battery Electric Vehicle News / Enjoying the Transportation Revolution
I thought a more specific thread/title might be useful for posting news on BEV's (and EV's in general), given that we have threads to discuss the minutia about EV ownership, but perhaps a thread just for the news might be useful. Disclaimer from the start, BEV news can easily become Tesla heavy, so posts, especially mine,…
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MSE guide: plug-in solar panels
Hi everyone, We've just published a new guide on Plug-in solar panels and we'd love to hear your feedback. If you haven’t already, join the forum to reply. Thanks for your help, MSE Andrew
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Not pluggin solar.
I have been considering a PnP solar system I'm not super worried about pack back time, possibly a bit of a vanity project for myself or trying to dip my toe into solar. Obviously, payback would be good, but not my main drive. I'm disappointed that PnP solar does not accommodated batteries! I was considering an EcoFlow…
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Solar & battery tariffs and how to get best export rates?
Im contemplating a 10 panel solar pv, 15kwh battery and 5kwh hybrid inverter. Ive got my quotes and researched the component parts so am not looking for comments that 'you're better using this make' etc, etc. Ive no intention of getting a heat pump and getting an EV is very unlikely. As Im nearing 70, the faster the…
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Solar ... In the news
Hi All Thought it was about time we had a thread specifically to discuss relevant press articles relating to solar pv & thermal ..... so here goes ... Z
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Help with changes to current set up
Hi, We bought a house last year with solar and battery set up and I am keen to get some help to work out some changes please. Existing system: 4.86kw Solar PV comprising of 12x Black JA Solar 405w panels Growatt 3600TL Inverter (in attic) MyEnergi Eddi hot water diverter Fox ESS 3.7kw (non-hybrid) AC coupled battery…
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MSE News: Hive admits some users can't connect their electric vehicle chargers to its app
Smart home tech provider Hive has admitted it's aware of a problem that's seen some customers unable to connect their electric vehicle (EV) chargers to the Hive app. While you CAN still charge your car if you're affected, you CAN'T use the app's features, such as scheduling to charge your car when it costs less. The fault…
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PV System Comparison
Sorry if this has been done before, but I thought it would be useful to have a simple comparison of people’s systems and their typical yearly figures. My system 2 × 400 ESE 4 × 400 W WNW Solis S5 2.5kw inverter Installed August 2022 My average yearly figures Generation: ~1,700 kWh Export: ~1,160 kWh Import: ~2,070 kWh…
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EcoFlow Stream "plugin" solar
Back in mid-March I ordered a "plugin" solar PV bundle from EcoFlow: EcoFlow Stream Ultra 1.92kWh battery with four MPPT inputs Four EcoFlow 450-watt solar panels This cost me just over £1100. I thought I'd share my experience here in case anyone else wants to do something similar. Edit 29/07/26 to add: a system like this,…
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8.5 kW Bifacial PV System: ~7 year ROI: Fact OR fiction?
Updated system size is 8.45kW at a total installed cost of £10.5K. Current ROI is forecast at 6.5 years. Hi there, I've recently been quoted for solar panels from 3 installers referred by Solarguide. My guidance to these companies was maximum solar power yield per panel for their proposals. Quote: The LG panels are dual…
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Solar panels in Scotland - worth it?
I'm looking at a 9-panel / 4.2KWp system with/out about 11kwh of battery, in central Scotland. House is almost exactly South facing an clear of obstructions. The quote details reckons we can produce about 3500kwh/year and our consumption is about 4500kwh. Cost is about £6,250 for panels only, £10,000 with Fox11.5khw…
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Adding to my solar system
Hi all, just wondering if it would be worth adding to my system or not. Either a battery or extra panels. My current system consists of 4x west facing 400w panels and 2x east facing panels. With a solis inverter. I have a flat roof which could possibly add 4 panels, but I'd be concerned with the extra weight on the roof.…
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Where do I start with solar panels and a battery install?
Am going to install solar panels and battery storage within the next 6-12 months. I know virtually nothing about it. Where do i start to look about this? Current situation is a large detached house, on the east of Scotland ( near Edinburgh) but only 2 adults, me and OH. House is 3 storeys, built around 25 years ago, with a…
