What battery size for pre installed solar?
Discussion
Looking for advice on what sized battery for pre installed solar array.
We have x13 285w panels on the roof with a Zeversolar inverter, installed in 2015. We didn't get a battery at the time as the installers said to wait as these would drop in price as the solar installs did.
Well they never did and we have looked at getting a battery a couple of times since.
Prices seem to be around £4,000 for a 5kw and inverter.
We had a leaflet through the door for switch together (North east Mayor thing for collective prices)
After submitting our details they have got back to us with a quote of £4500 but for a 15.6kw Fox battery and inverter, much bigger then the sizes we were originally looking at.
Last year we used 1,521.9 kwh and Generated 3504.1.
2 Person household, 1 work's from home Mon-Fri and 1 work's alternating days and then lates Mon-Fri site based.
No EV and no interest in one. Regular household appliances, couple of laptops, a work computer, cross trainer and home cinema set up.
Is this this battery overkill or a good idea?
T.I.A
We have x13 285w panels on the roof with a Zeversolar inverter, installed in 2015. We didn't get a battery at the time as the installers said to wait as these would drop in price as the solar installs did.
Well they never did and we have looked at getting a battery a couple of times since.
Prices seem to be around £4,000 for a 5kw and inverter.
We had a leaflet through the door for switch together (North east Mayor thing for collective prices)
After submitting our details they have got back to us with a quote of £4500 but for a 15.6kw Fox battery and inverter, much bigger then the sizes we were originally looking at.
Last year we used 1,521.9 kwh and Generated 3504.1.
2 Person household, 1 work's from home Mon-Fri and 1 work's alternating days and then lates Mon-Fri site based.
No EV and no interest in one. Regular household appliances, couple of laptops, a work computer, cross trainer and home cinema set up.
Is this this battery overkill or a good idea?
T.I.A
Or, get a battery big enough to ensure you have plenty stored when the sun isn’t shining, particularly overnight.
Your usage looks pretty low, very low in fact compared to ours
. We have a 30kwh battery setup which works well so I would think 15 would suit pretty well.
I wouldn’t think it’s over the top although again, with such low usage any gains are going to be smaller and any payback will be quite long.
Your usage looks pretty low, very low in fact compared to ours
. We have a 30kwh battery setup which works well so I would think 15 would suit pretty well.I wouldn’t think it’s over the top although again, with such low usage any gains are going to be smaller and any payback will be quite long.
Feed in tarrifs are quite low, but you may also want to look at Axle Energy before sizing your inverter.
They pay £1 per kWh for selected events and guarantee a minimum of £10/month. I have had 6 paying events so far in September, but this varies by region and is likely to increase over the winter. This works on top of your existing arrangements so you don't need to change your supplier.
Referral link with £25 bonus for signing up
They pay £1 per kWh for selected events and guarantee a minimum of £10/month. I have had 6 paying events so far in September, but this varies by region and is likely to increase over the winter. This works on top of your existing arrangements so you don't need to change your supplier.
Referral link with £25 bonus for signing up
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