Offshore wind is also a lot less intermittent and tends to produce when onshore isnt (& vice versa). This wind farm was about half the cost per MWh of hinkley

Offshore wind is also a lot less intermittent and tends to produce when onshore isnt (& vice versa). This wind farm was about half the cost per MWh of hinkley point C as opposed to onshore which is 1/4-1/3. However, the output is a lot more stable than onshore.