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Last seen: May 27, 2026
I haven't previously met the concept of the local grid being fully self-diagnostic. The DNO Engineers have a device they can attach to the wires whi...
Here's the Power Cut map from Cornwall at 23:00 last night The best strategy for adding a (diesel) generator is to connect it to a dedica...
@jamespa - your diagram with my additions You must have a (rotary) isolator in the supply to the inverter The CU on the right has a...
Indeed. Present ToU tariffs are based on national supply and demand statistics. But most of the new renewable sources of generation are connected ...
Earthing is definitely a subject which is best approached by a local electrician who already understands the ground conditions in the area. I have t...
Certainly worthwhile considering Geya.They're a reputable Chinese manufacturer. But not the left-hand of the two breakers because it's sing...
Those Manual Changeover switches are inter-locked.For each pair of blue levers, only one can be up (ON) at a time. I'll return to your diag...
I do have some Manual Change switches within my off-grid system. You can see that the left-hand one allows heating and lighting to be switched bac...
There are several reputable suppliers of obsolete & ex-stock circuit breakers in UK. Obsolete ElectricalWilrose Electrical and on ebay:Circuit...
The latter is the case. But an electrician won't allow grid-connected and off-grid circuits to share the same CU.That would create a risk of an inco...
No. The Solis and Sunsynk inverters which we're discussing have two separate ports, both of which can supply household loads from your incoming sola...
The configuration you will implement depends on what your DNO's Network Planner will approve. Whilst both approaches you've described would appear t...
Latest Posts
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RE: Electricity price predictions
No, I'm also unaware of a policy change. It's possibl...
By Transparent , 22 minutes ago
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RE: Anyone concerned about GivEnergy?
BTW anyone signing up to the Axle deal can get an immed...
By KevH , 30 minutes ago
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Its very sad news, they had a good reputation and I hop...
By ASHP-BOBBA , 1 hour ago
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Hi, David I'm far from an expert, so take my comments...
By Majordennisbloodnok , 5 hours ago
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RE: How many people are happy with their ASHP and do you believe them?
I've always expected price rises over time; it's in the...
By Majordennisbloodnok , 7 hours ago
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RE: Solar Produced vs Home Consumed
We can discuss this further with you. Before you coul...
By Transparent , 8 hours ago
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
Of course, British companies asked for the benefit of t...
By Batpred , 21 hours ago
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RE: Heat Pump Operation in Summer - Valliant 7kW
Yup! Summer in Spring. Wonder if Summer will last unt...
By Majordennisbloodnok , 1 day ago
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RE: Heat Pump Overpromising – What Were You Actually Told Before You Bought?
@editor Sorry Mars, I didn’t see a notification about ...
By Toodles , 1 day ago
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RE: Hitachi Heat Pump being replaced with Vaillant
Yes to be configured as a volumiser. The pump is to be...
By trebor12345 , 1 day ago
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Yes, you will need to notify them even if the inverter ...
By Old_Scientist , 1 day ago
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RE: Heat Pump Manufacturers Recommending Buffer Tanks
@tony-stolz, I think @jamespa has already covered the h...
By Mars , 2 days ago
