The developer says it will work with aviation bodies and local people to address their concerns.
Dozens of turbines could be built on land from north of King's Lynn to near Downham Market
Developers are seeking to build the scheme on 25 acres (10 hectares) of agricultural land in Easington.
The RWE payout is the latest in a string of deals cancelling wind energy projects, a power source long derided by Trump.
CWP - which wants to build 60 turbines near Moffat - says outdated rules are holding back investment.
Whitelee Windfarm has been producing electricity for about 20 years on a stretch of moorland near Eaglesham but is reaching the end of its life.
Campaigners say it is a "great relief" that the plans for 52 turbines near Hawick have been dropped.
Campaigners on the Isle of Man gather at Tynwald at the last sitting before September's election.
Developers want to build 21 turbines and a battery energy storage system in the Southern Uplands.
