All turbines currently installed contribute more to the National Grid than is taken directly from them for localised use.....or at worst equal.
Storage issues for later use is of course installed at the same time....and of course the storage(however temporary) is provided within the NT. AFAIK currently the "extra" juice is being used to flatten out excess demands eg kettle flicking during Corrie/BB/when peeps draw themselves away from Boxes of Joy.
But HEY!,,,,you never know those very same electrons maybe used to blast some needed therapy into the head of a brain tumour via a peripatetic lab...to scan a tit or three...or even blast a few kidney stones into oblivion...but yeah...fuck that shit...smelly lorry travelling fuckers going around county extending life and bringing relief to the afflicted.
Public meetings are also available for those to object if they wish. many more objections are successful in denying permission to install than are installed. However this is changing slowly.
Yes, of course, you have to consider the needs of your descendants, if you are able. If you don't like it... get off the Planet...quite a few of us would like it still to be here with the Joys of Life we have attained...use of lekky is Useful... if you don't like it...turn it off and do something more productive with the minutes you have left for your own eventual demise...tick tick tick tick tick(sic).