Defined term

Distributed energy resource

A distributed energy resource is a comparatively small generation, storage, demand-response, efficiency, thermal-storage, or similar resource connected on a distribution system or behind a customer meter.

Also known as DER

grid · Concept code GS-CONCEPT-059 · Last verified August 20, 2026

Definition and boundaries

Definition

A distributed energy resource is a comparatively small generation, storage, demand-response, efficiency, thermal-storage, or similar resource connected on a distribution system or behind a customer meter.

Applicable jurisdiction: US federal wholesale-market context; retail definitions vary

Definition claim verification: Verified August 20, 2026

In plain language

For Distributed energy resource, 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 synonym for rooftop solar alone and it does not itself establish wholesale-market participation.

Decision context

Why it matters

The term covers multiple technologies and market or program definitions; identify the controlling tariff, interconnection rule, or market definition before applying eligibility claims.

Applicable jurisdiction: US federal wholesale-market context; retail definitions 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

Affects

  • Electricity pricingPublished conceptDistributed energy resource can affect how Electricity pricing is evaluated

Primary sources

What to do next

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