So one key challenge with renewable electricity is that it produces electricity when it's sunny or windy rather than when electricity is actually needed and there is no cost effective means of long duration storage of electricity.
This means that when it's sunny or windy supply often can be more than demand meaning wholesale market prices (not the prices you or I see which include taxes, grid costs etc) plummet and can even go negative.
Now this is not good news for wind or solar farm owners to be often selling their power at low or close to zero prices. To prevent this the Government gives them a guaranteed price and if wholesale prices drop below this then the Government tops them up with a subsidy.
Unfortunately the cost of this (significant) subsidy is paid for by a levy or tax on business and household electricity bills, rather than general taxation (which most other countries do).
Unfortunately this then makes supplied UK electricity prices some of the most expensive in the world.
For businesses that use lots of electricity such as heavy industry this makes it uncompetitive to operate in the UK so they move their operations (and importantly the jobs) to countries where electricity is cheaper. Similarly if you are going to be setting up a business which consumes a lot of energy then you wouldn't choose the UK.
Unfortunately these other countries with much cheaper electricity (China, India, US) achieve this through highly polluting coal fired power plants. Meaning that overall global CO2 emissions would be greater from a UK Net Zero policy.
Lastly because of these high electricity in the UK demand has actually fallen over the last 15 years and this is despite of the massive growth in EV vehicles, heat pumps and aircon.
Like many things UK Net Zero is simply virtue signalling that makes no difference to global CO2 emissions (if anything it increases them), it destroys UK industry and jobs and makes us all poorer (except the wind farm and solar farm owners).
Yet if you point these facts out then you will be accused of being a climate change denier or not understanding.