You can find a list of windfarm developing projects in Northumberland at:

http://pscm.northumberland.gov.uk/pls/portal92/docs/24134

(this is a MS-Excel document)

Here are some links to articles about windfarms in the local news:

• 2 new giant turbines in Blyth:
  http://www.timesonline.co.uk/tol/news/environment/article4322739.ece
• Villagers prepare to fight wind farm plans (Newbiggin):
  http://bdaily.info/news/energy/villagers-prepare-to-fight-wind-farm-plans/