Yes, costs are soaring. The loss of cheap russian gas and the global wholesale price increases for oil and gas thanks to the americans have hammered generating operators. Britain is also falling behind on capacity, with generators not being built nearly quickly enough to cope with the increased domestic and industrial demand, leading to a months-long waiting list to be connected to the grid.

When the VAT exemption starts in October, it will last for 6 months. VAT is charged at 5% for domestic customers.

Meanwhile at the same time, the maximum tariff will be increased by 13%

The UK is in the top ten most expensive countries for electricity. As new incentives for the next generation of nuclear power stations kicks in, the price will be even higher.

They'll be £400-500. Inverters are £100-150 and panels 2 X £100. Then the wiring and Gubbins, smart meter. The legislation is just for panals though, plug in and play batteries aren't part of this yet. Probs best to go with wa company you know will be compatible with batteries in the future, ie already doing so in Germany