No. Nameplate capacity is not the same as generation. Actual UK generation is 51% coal/gas and less than 20% wind/solar. As limited as it is, UK wind/solar foolishness has already helped make UK electricity twice as expensive as US electricity.

Checkout the prices in the UK vs. US.

Sources: 1. Daily Mail Web | PDF; 2. Energy-UK.org Web; 3. StopTheseThings.com Web | PDF