In early 2016, during a routine ‘deep-dive’ site analysis of the previous year’s performance, The Asset Management team identified a drop in availability through the winter months with a return to normal availability during the summer months.
Further technical analysis, combined with multiple on-site investigations, revealed that RISO faults – caused by damp and wet conditions – led to the late start-up of the site’s string inverters. Taking great pride in caring for every kWh of clean energy generated, the Low Carbon Asset Management team undertook an extensive sourcing exercise for new string inverters with a focus on mitigating the RISO faults.
With the approval of the SPV Board, a test phase commenced with the installation of two new inverters. Initial analysis has indicated an improvement on start-up in wet & damp conditions.
The Low Carbon Asset Management team continues to closely monitor the situation with a view to implementing further improvement plans.