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Energy Storage
Last Post by TechnoGeek 5 days ago
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 JamesPa
(@jamespa)
Illustrious Member Moderator
Joined: 3 years ago
Posts: 3689
09/06/2025 4:34 pm  

Posted by: @arundalep
↑

Solaredge Energy Bank DC coupled

10 kWh (9.7 usable).

 

Nissan Leaf 30 kWh with Indra V2G charger (hacked of course) giving a usable 21 kWh of battery storage.

 

Both are integrated with our Home Assistant based HEMS to allow everything to play nicely together. 

 

I love that! 

Unfortunately there doesn't appear currently to be a V2G available on the market (the ones out there are, I believe, all associated with trials).  Once one comes out I'm sorely tempted to replace our 'second' car (a petrol fiesta) with an ageing leaf (I dont yet have a battery, other than the one in our Kia e-niro which, sadly, isnt bidirectional).

 


This post was modified 6 months ago 2 times by JamesPa

4kW peak of solar PV since 2011; EV and a 1930s house which has been partially renovated to improve its efficiency. 7kW Vaillant heat pump.


   
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 Old_Scientist
(@old_scientist)
Prominent Member Member
Joined: 1 year ago
Posts: 311
11/07/2025 9:22 pm  

Tesla PW3 (13.5kW) and Gateway for full home backup.

 


Samsung 12kW gen6 ASHP with 50L volumiser and all new large radiators. 7.2kWp solar (south facing), Tesla PW3 (13.5kW)
Solar generation completely offsets ASHP usage annually. We no longer burn ~1600L of kerosene annually.


   
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Toodles
 Toodles
(@toodles)
Illustrious Member Contributor
Joined: 3 years ago
Posts: 2344
11/07/2025 9:33 pm  

@old_scientist 😊 Toodles


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


   
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 AgentGeorge
(@agentgeorge)
Estimable Member Member
Joined: 10 months ago
Posts: 100
26/11/2025 9:21 am  

Battery 1 x 5kWh Growatt, would consider a second when prices soften

I don't have a Hybrid Inverter ( which has the H, SPH)

Growatt PV Grid Inverter MIN 5000TL-X

SPA 3000TL

Growatt AC Coupled Inverter SPA 3000TL BL


supplied and fitted by my home solar who I’d recommend getting a quote from.



   
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 Batpred
(@batpred)
Honorable Member Member
Joined: 11 months ago
Posts: 322
26/11/2025 6:49 pm  

2 days uninterruptible power supply (at the moment) with Solis 8kW and 16kWh lifepo4


16kWh Seplos Fogstar battery; 8kW Solis S6-EH1P8K-L-PLUS hybrid inverter; Ohme Home Pro EV charger; 100Amp head, HA lab on mini PC


   
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 williamp
(@williamp)
New Member Member
Joined: 6 days ago
Posts: 2
07/12/2025 1:55 pm  

@batpred I'm looking at Fogstar batteries with Solis as an alternative to Dyness, how do you find them?



   
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 williamp
(@williamp)
New Member Member
Joined: 6 days ago
Posts: 2
07/12/2025 1:58 pm  

I have Solax X1-AC with 5.8kWh.   Last month we installed Solis 3P Hybrid with a fabulous Dyness HV stack.   next project will probably be single phase Solis with either another Dyness stackable or the Fogstar.   



   
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 Batpred
(@batpred)
Honorable Member Member
Joined: 11 months ago
Posts: 322
08/12/2025 6:13 pm  

Posted by: @williamp
↑

@batpred I'm looking at Fogstar batteries with Solis as an alternative to Dyness, how do you find them?

Most of my findings on batteries are in the thread that this link points to. Regarding the inverter, the Solis hybrid exceeded my expectations. 

 


16kWh Seplos Fogstar battery; 8kW Solis S6-EH1P8K-L-PLUS hybrid inverter; Ohme Home Pro EV charger; 100Amp head, HA lab on mini PC


   
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TechnoGeek
 TechnoGeek
(@technogeek)
Reputable Member Member
Joined: 2 years ago
Posts: 147
08/12/2025 6:52 pm  

Now the proud owner of:

4.1Kw peak Aiko Neostar solar panels (south facing)

GivEnergy Gen3 hybrid 10Kw inverter

GivEnergy 34Kwh HV stackable batteries


5 Bedroom House in Cambridgeshire, double glazing, 300mm loft insulation and cavity wall insulation
Design temperature 21C @ OAT -2C = 10.2Kw heat loss
Bivalent system containing:
12Kw Samsung High Temperature Quiet (Gen 6) heat pump
26Kw Grant Blue Flame Oil Boiler
4.1Kw Solar Panel Array
34Kwh GivEnergy Stackable Battery System


   
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