Factor record · district-heat-and-steam-kwh-kwh-scope-3-defra-2025last verified 2025-06-10 · DESNZ
0.03341

District heat and steam (kWh) — well-to-tank (WTT)

WTT- heat and steam
DEFRA 2025Scope 3*activity based
Record
Identifier
mRxq9ueM8akB
Activity
District heat and steam (kWh) — well-to-tank (WTT)
Category
other
Sub-category
WTT- heat and steam
Lifecycle stage
Well-to-tank (WTT)
Region
GBR · United Kingdom
Value
0.03341 kgCO2e/kWh
Scope 3 category
Category 3
Methodology
activity based
GWP
AR5 / GWP100
Vintage year
2025
Published
2025
Source reference
Factors by Category sheet, ID 16_919_4003_5_1
Verified
2025-06-10 · DESNZ
Open primary source
Citation
DEFRA 2025, District heat and steam (kWh) — well-to-tank (WTT), Factors by Category sheet, ID 16_919_4003_5_1
Methodology

Derived from direct physical activity measurements (litres, kilometres, kilograms). The most accurate approach where activity data exists.

Notes

* Scope 3 boundary · This Scope 3 Category 3 well-to-tank factor covers upstream fuel-supply emissions associated with purchased heat or steam. Report it separately from the corresponding Scope 2 heat or steam factor; distribution losses and their upstream component are separate records.

Department for Energy Security and Net Zero · 2025 · Open Government Licence v3.0Back to the library