Predictive Solar Inverter Thermal Degradation & Maintenance Dispatch
A utility-scale solar asset owner operating 800MW of solar PV plants across arid desert regions containing over 300 central and string inverters.
Run on Santulan · Renewable Performance
The challenge
High ambient desert temperatures caused central inverter cooling fan failures, leading to thermal de-rating and unscheduled inverter trips during peak generation hours.
Traditional fixed maintenance schedules missed early IGBT semiconductor thermal stress micro-anomalies.
Inverter downtime during summer peak price hours cost over $45,000 per plant day in lost generation.
How Santulan solves it
Inverter Telemetry & SCADA Analytics
Santulan ingests high-frequency DC input, AC output, IGBT temperature, and fan speed telemetry from 300+ inverters.
Predictive Thermal Fault Detection
Applies thermodynamic degradation algorithms to detect micro-cooling efficiency drops 14 days before thermal trips occur.
Automated Work Ticket Dispatch
Generates prioritized maintenance tickets and dispatches field technicians with exact spare part numbers (fans, filters, IGBT modules).
Dynamic Thermal De-rating Prevention
Adjusts reactive power reactive compensation dynamically to lower internal inverter thermal stress during extreme heat waves.
Portfolio Inverter Health Benchmark
Ranks inverters across sites by efficiency and failure probability in an interactive dashboard.
The outcome
- reduction in unplanned inverter thermal trips during summer
- 0%reduction in unplanned inverter thermal trips during summer
- previously lost solar generation revenue per season
- $0previously lost solar generation revenue per season
90% reduction in unplanned inverter thermal trips during summer peak generation months.
Recovered $680,000 in previously lost solar generation revenue per season.
Extended central inverter component lifespan by proactive cooling fan maintenance.
Representative scenario: a modelled industry situation showing how this accelerator applies. Figures are projections, not a named client result.
Capabilities used
Every accelerator is assembled from the same capability layer, so a workflow you adopt here shares its foundation with the rest of the portfolio.
More from Santulan
Operations
Dynamic Wind Turbine Yaw & Pitch Optimization for Annual Energy Production
An IPP renewable energy operator managing a 450MW offshore wind farm featuring 60 high-capacity wind turbines operating under complex turbulent wind wake conditions.
Maintenance & Reliability
Battery Energy Storage System (BESS) Degradation & Arbitrage Optimization
A clean energy asset manager operating a 100MW / 400MWh grid-scale lithium-ion Battery Energy Storage System (BESS) co-located with a solar PV farm.
Maintenance & Reliability
Grid Interconnection Frequency Response & Automated Ancillary Bidding
A renewable energy producer managing a portfolio of hydro, solar, and wind assets participating in regional grid operator ancillary services markets.
Bring us the version of this that you actually have.
Every engagement is fixed-scope and outcome-guaranteed. The scoping conversation starts with your systems, not with a template.