2no. 400mm diameter boreholes to depths of 100m each.
These boreholes formed part of the largest geothermal scheme in Europe.
Each borehole test pumped at a rate of 125m3/hour with extensive monitoring carried out of other sources off site. Permanent pumping equipment installed in one borehole and the necessary re-charge pipe work installed in the second borehole to accept the discharged water after use.