Defined term
Volt-VAR control
Volt-VAR control is a smart-inverter control represented by a curve relating voltage and reactive-power settings in NREL's described study.
grid · Concept code GS-CONCEPT-193 · Last verified August 28, 2026
Evidence through 2023-08-29 · 0 sources have no source-event date
Content modified 2026-08-28
Definition and decision context
Definition
Volt-VAR control is a smart-inverter control represented by a curve relating voltage and reactive-power settings in NREL's described study.
Applicable jurisdiction: US
Verified August 28, 2026
Why it matters
SDG&E Rule 21 assigns voltage-reactive response settings within its smart-inverter tariff context and does not prescribe universal enablement.
Applicable jurisdiction: US-CA
Verified August 28, 2026
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Primary sources
- National Renewable Energy Laboratory: NREL/PR-5D00-85239, slide 22, revised 2023-01-04
Revision NREL/PR-5D00-85239 · Source event as of January 4, 2023 · Ontology accessed August 28, 2026 · Ontology verified August 28, 2026
- San Diego Gas & Electric: SDG&E Electric Rule 21 § Hh.2.j and Table Hh-4, Sheets 140 and 143, Advice Letter 61645-E/AL4280-E, effective 2023-08-29
Revision 61645-E/AL4280-E · Source event as of August 29, 2023 · Ontology accessed August 28, 2026 · Ontology verified August 28, 2026