The suitability of solar power by country

World Bank PV study by country

Looking at the data above the United kingdom is the second lowest only beaten by Ireland as the most unsuitable for solar.

This can be backed up by looking at the national grid live data as seen below

A BAD DAY FOR SOLAR
Winter output of solar 2024 varies between 0% and 0.4%

Given the data from the World Bank and the national grid, only a fool would rely on solar power generation in the United Kingdom