This ring is, in fact, a polygon composed of 24 straight sections. As the magnets that steer the electrons round the ring bring them to a corner, the electrons lose energy, emitting radiation. The straight sections also contain arrays of insertion devices, which force the electrons to ’wriggle’ along the section; this allows the energy to be tuned to a specific frequency.
The Diamond is currently operating 18 beamlines and aims to increase this to 22 by 2012; however, uncertainties over funding mean this might be delayed.
Onshore wind and grid queue targeted in 2030 energy plan
The link in Julian's comment is well worth reading. If 5% gas usage looks problematic for the gas turbines then is there a percentage that would...