Defined term
Voltage support
FERC's ancillary-services overview describes voltage support as maintaining electrical voltage within safe operating limits so equipment works properly.
grid · Concept code GS-CONCEPT-215 · Last verified September 29, 2026
Evidence through 2024-01-17 · 1 source has no source-event date
Content modified 2026-09-29
Definition and decision context
Why it matters
FERC places voltage support in ancillary-service context and does not prescribe device settings or market qualification.
Review confirmed · Review due October 29, 2026
The previous review deadline was September 27, 2026. The missed interval remains unverified; the current review does not establish historical coverage.
The cited evidence supports this statement within the source’s stated scope. Its jurisdiction and source-event date limit its applicability to a particular project.
Applicable jurisdiction: US
Verified September 29, 2026
Definition
FERC's ancillary-services overview describes voltage support as maintaining electrical voltage within safe operating limits so equipment works properly.
Review confirmed · Review due October 29, 2026
The previous review deadline was September 27, 2026. The missed interval remains unverified; the current review does not establish historical coverage.
The cited evidence supports this statement within the source’s stated scope. Its jurisdiction and source-event date limit its applicability to a particular project.
Applicable jurisdiction: US
Verified September 29, 2026
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Primary topic: Grid
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Primary sources
- Federal Energy Regulatory Commission: FERC Energy Markets Primer, January 17, 2024, pp. 57–58 — Voltage support
Revision FERC Energy Markets Primer (January 2024) · Source event as of January 17, 2024 · Ontology accessed September 29, 2026 · Ontology verified September 29, 2026
- Federal Energy Regulatory Commission: FERC OPP Ancillary Services, Voltage Support and Reactive power, PDF p. 1
Source event date unavailable · Ontology accessed September 29, 2026 · Ontology verified September 29, 2026