Real Life Example in a UK Home
Wonder Watt is potentially the answer to charging an EV using the Intelligent Octopus Go tariff with our GivEnergy Inverter. This post reviews 5 months of testing Wonder Watt with Octopus Flux, ahead of our EV delivery.
Now that GivEnergy has entered administration their is risk to their Cloud Portal. I have also now tried out Monitor for Android and included this in the write up.
On 7th April 2026 GivEnergy gave notice of intention to appoint an administrator.
What does this mean for:
GivEnergy users?
UK Government and major industry players?
Potential solar/battery system purchasers?
Solar power with battery storage – return on investment calculation from the first 12 months of operation with a working smart meter and the Octopus Flux tariff.
My big question with installing solar power was “do the finances add up or would we be better putting our money into the building society?”
It turns out that it is not easy to answer the question; this post shows my 1st bash after the 1st 12 months since installation.
With one year in operation, how has the system performed?
Includes a few useful points for someone specifying a new system.
My first estimate of the real Return on Investment (ROI) for my solar and battery system…
…would I be better investing in the stock market via my SIPP or an ISA?
Can the 5th engineer visit fix my Smart Meter?
Can the FL100 flying lead make a difference?
This post has the answers.
How did I choose an energy supplier and then which tariff?
How has this worked out in practice?
Now I have 4 x potential solar supplier quotes:
What criteria do I use to select am installer and the installed system components?
How does the ROI with real costs compared to my preliminary investment case?
