Best day of the year today, managed to get 9.99kWh from our 2.57kW array.
Strategic use of dishwasher, washing machine, and drier has meant that only ~20% was exported today.
While I understand that batteries for that kind of through put are difficult. Does it not make you think that some sort of storage solution would be beneficial? I know that I, like many people, are out during the day 5 days a week. Power requirements for half the year (at these latitudes) are minimal when you are out at work (The whole "solar power day").
For Northern Ireland at 54* North solar without storage would be next to pointless. Of course the investment companies don't see it that way. They see the advantage. They charge you a meer deposit of a few thousand pounds and put 3kw of panels on your roof. You get to use whatever you want and the rest gets exported to the grid. But the market is young professionals who are out all day. They think they are doing their bit for the environment, but really they are doing their bit for the investment banks who fund their panels.
The panels might produce 10kwh that they don't use at a rate of 3p. But you get none of that on these schemes. It apparently works out that it's a money maker for the investment banks who have sold decades of energy futures based on it... then dumped the products to the next investor.
On such schemes you are forbidden to install a storage solution as it will directly impact the investors profit...
... or I am exaggerating and the reality is less severe....