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Old_Scientist
@old_scientist
Member
Prominent Member
Joined: Jun 16, 2024
Last seen: Oct 31, 2025
Profile Activity
Topics: 6 / Replies: 303
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Reply
RE: is a home battery without an EV worth it?

Similar situation here (we have a PW3 and ASHP+solar), with a strategy of using Octopus Cosy during the winter with the battery allowing us to achieve...

2 months ago
Forum
Energy Storage
Reply
RE: Electricity price predictions

As an investor in multiple listed renewable companies on the FTSE, I can assure you I'm not making a lot of money doing nothing. In fact, 6 of the 7 l...

2 months ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: What crazy nonsense are inverter limits and why are they imposed?

I think there may be a little confusion in the wording here. When applying for a G99 to connect equipment to the grid for export, the grid is imp...

2 months ago
Forum
Energy Storage
Reply
RE: Electricity price predictions

Good argument. I have long been of the view that some of the policy costs should be shifted away from electricity and onto gas under the polluter pays...

2 months ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: The Battery Battle

I should clarify that the FoxESS web interface is not local (you are not logging into a web interface on the hardware itself). It is still cloud based...

2 months ago
Forum
Energy Storage
Reply
RE: The Battery Battle

I have/had a basic non-hybrid FoxESS inverter. The software/App is nice enough, but the main downside for me was it's not real time - it uploads data ...

2 months ago
Forum
Energy Storage
Reply
RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House

We got lucky and hit gold with our installer. Rather than size radiators to a design temp, we came at it from the opposite direction of lets measure t...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: The Battery Battle

I agree. I think a lot of it comes down to people's resistance to change, and an expectation of an experience similar to what they had before with an ...

2 months ago
Forum
Energy Storage
Reply
RE: Who's your electricity provider and what's your tariff?

Where did you see that? My understanding is simply that Octopus Outgoing is no longer a fixed tariff, but is now more like a standard variable rate ...

2 months ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Sanity check please. Battery storage and inverter sizing.

There are MCS guidelines about how close to the edge/ridge of a roof panels can go, and if they are MCS accredited then they will have to stick to tho...

2 months ago
Forum
Energy Storage
Reply
RE: Balancing financial efficiency and comfort using the Octopus Cosy tariff

I estimated our usage on the following basis. The most challenging 6h window for us is 4-10pm as it coincides with cooking/meal time (electric oven,...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Balancing financial efficiency and comfort using the Octopus Cosy tariff

Agreed that Cosy works best for battery owners, and the savings do not always stack up well versus the battery costs over the 10 year warranty period ...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
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