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Last seen: Aug 12, 2026
@dansus To achieve a full 3kW (3000W / 13A) continuous AC feed-in into your home grid, you will need equip 1× PowerFlex 3000 and at least 1× Extra Bat...
@transparent Thanks for adding this level of accuracy to the thread.
@jamespa Hello, to guarantee 100% compliance across all UK Distribution Network Operators (DNOs) and home insurance policies, the primary and most rob...
We have noticed a few queries across our UK community regarding grid certifications (G98, G100 and G99). We want to provide complete transparency rega...
@jamespa For any battery storage or microgeneration system operating in parallel with the grid (under ENA G98 and BS 7671 Regulation 551.7 regarding l...
@editor Your summary is spot on, and you’ve captured the nuance of the current UK landscape better than most marketing copy does. The technology is ve...
@editor To answer your two specific questions directly:1. Can solar power coming through the AC-coupled Backup connection charge the battery as well a...
@old_scientist @etchedpixels This exact trade-off is why we designed the architecture of the PowerFlex 3000 the way we did:1. Instead of choking the e...
@editor @editor @jamespa @transparent You are correct. The definition of a "plug-in microgenerator" under the 27 August framework explicitly excludes...
@etchedpixels Your understanding is spot on. When connected solely via a standard household wall plug, the battery energy (whether charged from solar ...
@jamespa @transparent Thank you for quoting the scope section from the DESNZ Interim Product Specification (IPS). You are absolutely right, and we app...
@jamespa Hello! The upcoming August 27th specification regulates the maximum feed-in power to the home grid via a wall plug (capped at 800W), rather...
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Latest Posts
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RE: Tesla Powerwall (2) Calibration Cycles
@old_scientist You mean you didn’t know about that secr...
By Toodles , 16 hours ago
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RE: Replacing Storage Heaters with a Heat Pump in a Stone Cottage
That sounds like a better approach (being able to see a...
By cathodeRay , 17 hours ago
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RE: DIY Heat Pump Installations: Navigating Legal and Regulatory Hurdles
Thanks for the reference @jamespa I can't see any te...
By Transparent , 18 hours ago
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RE: battery storage without solar
Indeed, current on the grid input = current used for ch...
By bobflux , 19 hours ago
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RE: Who's your electricity provider and what's your tariff?
@papahuhu @papahuhu A lot of tears and sweat went into ...
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RE: Getting closer to a finished Haier system
Very nice! Congratulations. Big MLC looks neat whe...
By bobflux , 1 day ago
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RE: Solar Power Output – Let’s Compare Generation Figures
We have the same problem, 12 mature trees clip the morn...
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RE: Solis inverters S6-EH1P: pros and cons and battery options
I had a battery and inverter installed a while ago, my ...
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RE: Is This Initial Free Quote From Octopus Trusted Partner Reasonable?
@ltron2 The EPC on our house is A-92, however that i...
By Rob of York , 2 days ago
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RE: Heat pump branding. Clever, contemporary… or a bit too much?
The layout is confusing - much better like this: We b...
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RE: Is it just me, or does tradesperson timekeeping and communication drive you absolutely mad?
My experience, backed up by opinions from various frien...
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RE: Analysis of the economics of switching to an A2W ASHP compared to other heat sources
I had a meeting today with a company based out of Swede...
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RE: Review your electricity provider
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RE: Estimating true heat loss from twelve months of consumption data
I did, indeed, go with the 12 KW Vaillant unit.  ...
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