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Vocabulary Reference

EnergyEfficiency

class

Energy Efficiency

A product's energy efficiency declaration: A-G class, EPREL registration, consumption modes.

URI:https://ref.openepcis.io/extensions/common/core/EnergyEfficiency

Upstream alignment

How this class and its properties align to external and upstream vocabularies. Open a vocabulary to see the exact term-by-term relationships.

GS15 termsSchema.org3 termsDPP Keystone2 terms

Properties (7)

DescriptionDomainRangeVocabularies
eprelProductUrl
EPREL Product URL
URL of the product's EPREL public page.oec:EnergyEfficiencyxsd:anyURI Public—
eprelRegistrationNumber
EPREL Registration Number
EU EPREL (European Product Registry for Energy Labelling) registration number.oec:EnergyEfficiencyxsd:string Public—
hasAnnualEnergyConsumption
Annual Energy Consumption
Annual energy consumption. gs1:QuantitativeValue with unitCode 'KWH'.oec:EnergyEfficiencygs1:QuantitativeValue Public—
hasEnergyEfficiencyClass
Energy Efficiency Class
—oec:EnergyEfficiencyoec:EnergyEfficiencyClass Public
Schema.orgDPP Keystone
hasPowerConsumptionOff
Power Consumption: Off Mode
Power consumed in off mode. gs1:QuantitativeValue with unitCode 'WTT'.oec:EnergyEfficiencygs1:QuantitativeValue Public—
hasPowerConsumptionOn
Power Consumption: On Mode
Power consumed in active operating mode. gs1:QuantitativeValue with unitCode 'WTT'.oec:EnergyEfficiencygs1:QuantitativeValue Public—
hasPowerConsumptionStandby
Power Consumption: Standby Mode
Power consumed in standby. gs1:QuantitativeValue with unitCode 'WTT'.oec:EnergyEfficiencygs1:QuantitativeValue Public—

Vocabulary alignment

Broader · upstream
Schema.orgschema:EnergyConsumptionDetails · QA 82%
Narrower · downstream
Schema.orgschema:EUEnergyEfficiencyEnumeration · curated

QA % is the verifier panel's confidence. Curated mappings graded by openai/gpt-oss-20b, verified by local QA panels per round (claude-opus-4-8 / qwen3.5-27b / qwen3-32b).

Referenced upstream terms

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Used as Range (1)

hasEnergyEfficiency

Where used

Referenced by other terms (10)

References

JSON-LD Example 

{
  "@context": "https://ref.openepcis.io/extensions/common/core/dpp-core-context.jsonld",
  "type": "EnergyEfficiency",
  "eprelProductUrl": "...",
  "eprelRegistrationNumber": "...",
  "hasAnnualEnergyConsumption": "..."
}