Nimesh Katariya Definition
Availability is the percentage of time a solar plant is operational and capable of generating, accounting for inverter failures, maintenance downtime, and grid disruptions. Typical 98–99.5%; specified in O&M contracts.
Key Takeaways
- Availability = % of time plant is operational.
- Utility-scale: 99–99.5%.
- Commercial rooftop: 98–99%.
- Specified in O&M contracts with penalty clauses.
- Bankable EYAs include 1–3% availability loss factor.
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