Renewable Heating Hub Heat Pump Forums

Search with Wattson
Forums
Sustainable Sidetra...
Solar Photovoltaic ...
Solar Power Output ...
 
Notifications
Clear all

Joining the Renewable Heating Hub forums is completely free and only takes a minute. By registering you’ll be able to ask questions, join discussions, follow topics you’re interested in, bookmark useful threads and receive notifications when someone replies. Non-registered members also do not have access to our AI features. When choosing your username, please note that it cannot be changed later, so we recommend avoiding brand or product names. Before registering, please take a moment to read the Forum Rules & Terms of Use so we can keep the community helpful, respectful and informative for everyone. Thanks for joining!

[Sticky] Solar Power Output – Let’s Compare Generation Figures

 
Page 31 / 31
Solar Photovoltaic (PV)
Last Post by Tim441 15 minutes ago
367 Posts
38 Users
155 Reactions
69.2 K Views
RSS
 ChandyKris
(@chandykris)
Reputable Member Member
Joined: 2 years ago
Posts: 202
01/08/2026 8:44 am  

@tim441 That's so true about doing things differently with more knowledge. But, I am glad I discovered this community before we installed our ASHP. Lots could go wrong there and glad I had enough knowledge to ask the right questions and get the right setup for our hearing needs.

You have got an impressive setup there with around 7000 kWh annual output. I am tempted to get a garden bar (pergola essentially with tiki bar features) and put panels with microinverters. Our DNO said that has to be another application but don't see a reason why they won't approve. That would be perfectly south facing, so could generate a decent chunk. This additional output could take us down 3/4 in terms of grid import if we look at the whole year, from 4000 kWh to 1000 kWh.


16 * 435 watts PV
13 kWh Growatt battery
1 EV - Mercedes EQB
6 kW Aira Heat Pump
Bosch Induction Hob
Pod Point Solo 3 charger


   
👍
1
ReplyQuote
 Papahuhu
(@papahuhu)
Reputable Member Member
Joined: 12 months ago
Posts: 346
01/08/2026 8:51 am  

Identical to May, up on the June output and a touch up on last year. Here in the NW it was warm but not as hot as the rest of England. My son is in St Andrews and I don’t think it went over 25C there. 
One of the many advantages of living in the North!

 

IMG 0303

This post was modified 59 minutes ago by Papahuhu

   
ReplyQuote
 Tim441
(@tim441)
Honorable Member Contributor
Joined: 4 years ago
Posts: 455
01/08/2026 8:59 am  

@chandykris we too have ashp. Bad initial setup but fine now with weather compensation. We have EV too...

Imports/exports get a bit exaggerated by forced charge/discharge of batteries. But doing less now export dropped to 12p.

Approx usage annually 

ASHP 5800kwh

EV 2500kwh

Other maybe around 2000kwh

We are contemplating adding aircon. Especially as supported by cheap overnight imports and summer solar

Last year we had an exceptional net bill of zero. Helped by export rates 15p. But very happy if we can target say £1000 pa bills inc all heating and ev etc

 


This post was modified 54 minutes ago by Tim441

Listed Grade 2 building with large modern extension.
LG Therma V 16kw ASHP
Underfloor heating + Rads
8.7kw pv solar
3 x 8.2kw GivEnergy batteries
1 x GivEnergy Gen1 hybrid 5.0kw inverter
Manual changeover EPS
MG4 EV


   
👍
1
ReplyQuote
Toodles
 Toodles
(@toodles)
Famed Member Contributor
Joined: 4 years ago
Posts: 2878
01/08/2026 9:10 am  

@tim441 Our best ever monthly solar energy production - I think that 1.296 Mwh is…. well Mega!

IMG 6988

Rewards, Toodles. 🌞


Toodles, heats his home with cold draughts and cooks food with magnets.


   
👍
1
ReplyQuote
 Papahuhu
(@papahuhu)
Reputable Member Member
Joined: 12 months ago
Posts: 346
01/08/2026 9:26 am  

@toodles That’s amazingly uniform, no obviously outliers in the distribution. Are you in one of those drought hit areas?



   
ReplyQuote
 ChandyKris
(@chandykris)
Reputable Member Member
Joined: 2 years ago
Posts: 202
01/08/2026 9:33 am  

@tim441 Our annual usage is about 3000 kWh for the heat pump, 1300 kWh for the EV and about 3500 for other household. I tend not to discharge from the battery unless there's a savings session. Overall we are totalling about £750 for an all electric house including EV. We are on Octopus Go, as neither our charger nor the EV is compatible with IOG.

We are looking to get aircon installed too, as don't think we can go through next year like this. But, the mini portable split units are all sold out and installers are booked out. Maybe, will try again when we get to cooler months and people would have forgotten about these heatwaves!


This post was modified 20 minutes ago by ChandyKris

16 * 435 watts PV
13 kWh Growatt battery
1 EV - Mercedes EQB
6 kW Aira Heat Pump
Bosch Induction Hob
Pod Point Solo 3 charger


   
👍
1
ReplyQuote
 Tim441
(@tim441)
Honorable Member Contributor
Joined: 4 years ago
Posts: 455
01/08/2026 9:39 am  

Fwiw... our July in Somerset was consistently sunny for most of the month.

The GivEnergy app does not tell full story on exports as there was more from the other inverter + forced exports. So total exports nearer 1150kwh

 

Screenshot 20260801 093522 GivEnergy

Listed Grade 2 building with large modern extension.
LG Therma V 16kw ASHP
Underfloor heating + Rads
8.7kw pv solar
3 x 8.2kw GivEnergy batteries
1 x GivEnergy Gen1 hybrid 5.0kw inverter
Manual changeover EPS
MG4 EV


   
ReplyQuote
Page 31 / 31
Forum Jump:
  Previous Topic
Next Topic  
Related Topics
Topic Tags:  solar PV (10) , solar production (3) ,

Currently viewing this topic 5 users ( Toodles, JamesPa, Papahuhu, Tim441, ChandyKris ) and 20 guests.

Recently viewed by users: trebor12345 40 minutes ago.

Share:

SPONSORS

Join Us!

Installer Finder

Degrees of Separation

Latest Posts

SPONSORS

Click to access the login or register cheese
Protected By
Shield Security PRO