SAT (Site Acceptance Test)
The formal performance test conducted after commissioning to verify the complete BESS plant meets its contracted specifications. Covers round-trip efficiency, rated power and energy, response times, availability, and grid code compliance. Successful SAT marks the formal handover from EPC to asset owner.
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Read moreWhat Is a Site Acceptance Test (SAT)? — BESS Guide
Site Acceptance Test explained — the difference between equipment-level acceptance and plant-level SAT on a BESS project, and why confusing the two causes delays and disputes.