Solar panel production figures

This week just seems to be a week of breaking records, daily generation is the highest so far this year, and I'm pretty sure so is the export.

The highest I've ever generated in a day was 56.85 kWh on 14/06/2023, won't be long now and I'm sure I'll be breaking that record.

SolarEdge: 16.8 kWh
Garage: 13.03 kWh
North west roof: 9.55 kWh
House rear wall: 7.68 kWh
Peak power was 8.12 kW at 12:40

Total generated yesterday: 47.06 kWh
Total exported yesterday: 55.39 kWh
Total imported yesterday: 29.63 kWh
 
No, it’s just a blip in the matrix.

Due to owning an EV, flux isn’t really worth it as you don’t get the super cheap overnight rates and the daytime export is lower than octopus outgoing.

I could do intelligent flux but as above, no cheap rate for charging the EV which makes that pretty expensive.

I’m also using electricity for heat so my exports are somewhat dulled. I’m negative on cost but I’m still a net importer. On days like yesterday I was over 50% off peak at 7p with the heat pump so the cost is very low. The rest was covered by solar/battery.

Flux/Intel flux might work out slightly better in 2/3 peak generation months but it’s not work the risk, if I do a lot of miles, it could end up costing more.
 
b0rn2sk8 said:
No, it’s just a blip in the matrix.

Due to owning an EV, flux isn’t really worth it as you don’t get the super cheap overnight rates and the daytime export is lower than octopus outgoing.

I could do intelligent flux but as above, no cheap rate for charging the EV which makes that pretty expensive.

I’m also using electricity for heat so my exports are somewhat dulled. I’m negative on cost but I’m still a net importer. On days like yesterday I was over 50% off peak at 7p with the heat pump so the cost is very low. The rest was covered by solar/battery.

Flux/Intel flux might work out slightly better in 2/3 peak generation months but it’s not work the risk, if I do a lot of miles, it could end up costing more.
Click to expand...

Yeah I can understand for people with an EV. I went on it for 6 months last year, and it was ok, but I think I prefer managing my battery system. I just remember the rates being quite good, but as you say, no cheap tariff at night and for an EV I can see why that's really important. I don't own one and probably wont but I guess you save on petrol/diesel bills to offset it.

I'm not a huge exporter as I tend to use electricity as much as possible when I have it in abundance.
 
Last edited:
Yesterday not to bad 22.42 kWh a nice day.

We are on Intelligent Go with Octopus this is our cheapest option for us, we have one EV and heat pump. I always charge up our 4 GivEnergy 9.5kwh Batteries bank to 100% with cheap electricity overnight and allow the system to export back to the grid any surplus electricity we don't use in the house during the day.
 
Last edited:
I changed to Go back in December, before I even considered having an EV, over the year it worked out a lot cheaper than Flux. Now I have an EV I'm on IOG which is a bit cheaper. Fuel cost wise, since mid January the cars cost £15 where I was spending £80 on diesel every three to four weeks. I always fully charge the house batteries overnight at 7p so all excess gets exported at 15p. Heat pump arriving mid April and gas going.

Quite few clouds around today, hopefully still do well on the generation, but unlikely to be as good as other days this week.
 
Ron-ski said:
I changed to Go back in December, before I even considered having an EV, over the year it worked out a lot cheaper than Flux. Now I have an EV I'm on IOG which is a bit cheaper. Fuel cost wise, since mid January the cars cost £15 where I was spending £80 on diesel every three to four weeks. I always fully charge the house batteries overnight at 7p so all excess gets exported at 15p. Heat pump arriving mid April and gas going.

Quite few clouds around today, hopefully still do well on the generation, but unlikely to be as good as other days this week.
Click to expand...
I'm finding the ASHP is keeping my 1930s house considerably/consistently warmer than the gas boiler.
Also same, EV (currently model Y performance) and similar with the batteries.
 
94JDH said:
I'm finding the ASHP is keeping my 1930s house considerably/consistently warmer than the gas boiler.
Also same, EV (currently model Y performance) and similar with the batteries.
Click to expand...
I feel it is almost central heating gas boiler switch off soon. Which should limit our costs. But interesting to hear this. Ours is 60s and neighbours with ASHP seem to have been struggling keeping their pad warm.
 
Last edited:
94JDH said:
I'm finding the ASHP is keeping my 1930s house considerably/consistently warmer than the gas boiler.
Also same, EV (currently model Y performance) and similar with the batteries.
Click to expand...
That's my next step move over to an ASHP - it makes so much sense especially with solar and batteries. If I can remove reliance on gas which is ridiculously expensive then so much the better.
 
f666 said:
Ours is 60s and neighbours with ASHP seem to have been struggling keeping their pad warm.
Click to expand...
The issue will be with the system design, not the heat pump itself, aka, a bad installation or the controls are set up incorrectly for their property which points back to the installation not being the best.

The age of the property and its relative insulation levels are not really relevant to system performance. Better insulation reduces running costs but that’s not unique to heat pumps.

Unlike a gas boiler the margin for error is small and you really do need to know what you are doing in terms of designing by a heating system.
 
f666 said:
I feel it is almost central heating gas boiler switch off soon. Which should limit our costs. But interesting to hear this. Ours is 60s and neighbours with ASHP seem to have been struggling keeping their pad warm.
Click to expand...
b0rn2sk8 said:
The issue will be with the system design, not the heat pump itself, aka, a bad installation or the controls are set up incorrectly for their property which points back to the installation not being the best.

The age of the property and its relative insulation levels are not really relevant to system performance. Better insulation reduces running costs but that’s not unique to heat pumps.

Unlike a gas boiler the margin for error is small and you really do need to know what you are doing in terms of designing by a heating system.
Click to expand...
Yes, definitely down to design ( I have improved some of the insulation over time. More recently putting a new flat roof on an existing 80's extension that didn't have anything at all just a void!.
Heat pump with Octopus, who initially wanted to fit a 9 kW version. I improved my insulation to get the heat loss down to just under 7kW for the 8 kW heat pump to be installed.
Also had them upsize the radiators further to the sizes I calculated that were needed(after lots of Comms) to accommodate a 40C design flow rate.
Correct design is definitely the key to efficient ASHP installations.
 
Last edited:
You must log in or register to reply here.
Back
Top Bottom