Common use of Corrective Maintenance Clause in Contracts

Corrective Maintenance. Provide a summary of all Corrective Maintenance activities performed during the current year. Table 4 Corrective Maintenance Summary (with examples) Equipment Issue Description Corrective Maintenance Description Outage Start Outage End Lost Generation (MWh) Status Notes Inverter 5 IGBT failure Visual inspection, troubleshooting, replaced IGBT 4/1/2022 1300 4/15/2022 1600 22.5 Complete Maintenance performed by XXX under warranty Block 3.2 Portion of trackers stalled Visual inspection, troubleshooting, replaced TCU encoder 5/1/2022 1000 5/1/2022 1200 0.5 Complete Maintenance performed by site operator Blocks 4-6 Module replacements due to hail damage Replace affected modules 9/1/22 Ongoing 2.1 Ongoing Gear Box on WTG 21 Replacement Proactive replacement of Gear Box due to failures in this turbine model 8/1/22 8/20/22 800 Complete Gearbox under warranty; replacement performed by site operator

Corrective Maintenance. Provide a summary of all Corrective Maintenance activities performed during the current year. Table 4 Corrective Maintenance Summary (with examples) Equipment Issue Description Corrective Maintenance Description Outage Start Outage End Lost Generation (MWh) Status Notes Inverter 5 IGBT failure Visual inspection, troubleshooting, replaced IGBT 4/1/2022 1300 4/15/2022 1600 22.5 Complete Maintenance performed by XXX under warranty Block 3.2 Portion of trackers stalled Visual inspection, troubleshooting, replaced TCU encoder 5/1/2022 1000 5/1/2022 1200 0.5 Complete Maintenance performed by site operator Blocks 4-6 Module replacements due to hail damage Replace affected modules 9/1/22 Ongoing 2.1 Ongoing Gear Box on WTG 21 Replacement Proactive replacement of Gear Box due to failures in this turbine model 8/1/22 8/20/22 800 Complete Gearbox under warranty; replacement performed by site operatoroperator 5. Preventative Maintenance