Up here... best is South (obviously). Next is East/West. But North is useful to add power, especially on overcast days - which we get a lot of :( - IF there is no roof facing E-W.
Interesting.
What inverter and panels are Octopus suggesting? Three panels is very low number for a regular string inverter (in terms of start-up voltage and MPPT range).
.. and a further thought to @MattyS's question... is that 8 channels on South facing roof? If so, would be worth getting quote for 8 on the North side too - obviously not in direct sunlight, but (almost) equally good when overcast. With panels at only about £55 each these days, IMHO would be...
True, we rarely get maximum power. But MPPT tracking algorithms will adjust current draw to gain maximum input voltage x current in order to gain maximum power. The typical graph for modern PV panels' max power will show voltage ramping up quickly, with the current largely dependent on...
No one ever complained about having too much battery storage ;)
In addition to what @MattyS asked, have you done an energy audit to determine your peak power usage. From my experience, these days, I'd avoid only having a 3.6kW inverter - you will exceed its output capability as soon as your...
P.S. Be aware that both your options are based on proprietary high-voltage battery systems, not the more open, low-voltage (nominal 51.2V) battery pack systems. As such you won't be able to easily top up batteries from V2L as @johnb80 and others have done, using a charger.
You will also be...
I'd seriously look into that route too, if you didn't need the MCS cert.
The hardware price for 5kW inverter and 3 x 4.8kWh battery packs is £3656.31.
So, Heatable is adding £2000 for installation labour, G99 paperwork and an MCS stamp. Guess the latter is the unavoidable USP that allows the...
...
If you mention it to the dealer, the charging unit is called a CCU, not CPU.
Best not to confuse the dealership any more than they'll probably get confused themselves!!
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