Defined term
Electricity demand charge
An electricity demand charge is the portion of an electric-service bill based on the customer's measured or calculated maximum capacity usage under the applicable rate schedule.
Also known as billing demand charge
grid · Concept code GS-CONCEPT-062 · Last verified August 20, 2026
Definition and boundaries
Definition
An electricity demand charge is the portion of an electric-service bill based on the customer's measured or calculated maximum capacity usage under the applicable rate schedule.
Applicable jurisdiction: US; rate schedules vary
Definition claim verification: Verified August 20, 2026
In plain language
For Electricity demand charge, the controlling utility tariff, interconnection document, meter arrangement, and jurisdiction matter more than a generic national description.
What it is not
It is not a charge based only on total monthly kilowatt-hour consumption.
Decision context
Why it matters
The demand interval, ratchet, season, time period, measurement, minimum, units, and customer class must be read from the tariff before solar or storage savings are modeled.
Applicable jurisdiction: US; rate schedules vary
Decision-context claim verification: Verified August 20, 2026
Information boundary
This page provides general educational context, not a site design, production guarantee, utility determination, contract interpretation, legal opinion, tax conclusion, or individualized financial advice. Verify property, equipment, utility, jurisdiction, program, and agreement details before acting.
Concept relationships
Broader concepts
- Electricity pricingPublished conceptElectricity demand charge is a more specific concept under Electricity pricing
Affects
- Payback periodPublished conceptElectricity demand charge can affect how Payback period is evaluated
Primary sources
- U.S. Energy Information Administration: Demand charge glossary definition
Source event date not provided · Ontology accessed August 20, 2026 · Ontology verified August 20, 2026
- U.S. Department of Energy: Evaluating Your Utility Rate Options
Revision Published 2020-05-13 · Source event as of May 13, 2020 · Ontology accessed August 20, 2026 · Ontology verified August 20, 2026
What to do next
- Open the related GeoStellar guideNext step
- Return to the Solar Energy WikiNext step
- Review electricity-rate dataNext step