
Direct GHG emissions (scope 1)
Scope 1 emissions are reported in accordance with
ESRS requirements and are calculated following the
GHG Protocol. They cover all direct emissions of the
greenhouse gases: carbon dioxide, methane, nitrous
oxide, and sulphur hexa fluoride. The direct carbon
emissions from our combined heat and power plants
are determined based on the fuel quantities used in
accordance with the EU Emissions Trading System
(ETS). Carbon dioxide and other greenhouse gas
emissions outside the EU ETS scheme are primarily
calculated as energy consumption multiplied by
emission factors.
Emission factors:
· Global warming potential of greenhouse gases:
CH
4
, N
2
O, SF
6
. Intergovernmental Panel on Climate
Change (IPCC): Climate Change 2021, The Physical
Science Basis
· Carbon emissions from fossil fuels at CHP plants:
Coal, oil, natural gas. Danish Energy Agency:
Standardfaktorer for brændværdier og CO
2
-
emissioner (Standard factors for calorific value
and carbon emissions), 2024
· Carbon emissions from fossil fuels outside CHP
plants: Diesel, petrol, fuel oil, jet fuel. American
Petroleum Institute (API): Compendium of green-
house gas emissions methodologies for the natural
gas and oil industry, 2021
Indirect GHG emissions (scope 2)
Scope 2 emissions are reported in accordance with
ESRS requirements and are calculated following the
GHG Protocol. They include indirect GHG emissions
from the generation of power, heat, and steam
purchased and consumed by Ørsted. Scope 2 emis-
sions are primarily calculated as the power volumes
purchased multiplied by country-specific emission
factors. Location-based emissions are calculated
based on average country-specific emission factors.
Market-based emissions take into account renewable
power purchased and assume that regular power
is delivered as residual power.
Emission factors:
· Carbon emissions from power purchased (in
Denmark). EnerginetDK: Generel deklaration og
Miljødeklaration (General declaration and environ-
mental declaration), 2023
· Carbon emissions from power purchased (in other
European countries). Association of Issuing Bodies
(AIB): European Residual Mixes, 2024 (2023 data)
· Carbon emissions from power purchased (in coun-
tries outside Europe). Institute for Global Environ-
mental Strategies (IGES): List of grid emission factors,
2024; U.S. Environmental Protection Agency (EPA):
U.S. EPA 2024 (eGRID2023 data)
Indirect GHG emissions (scope 3)
Scope 3 emissions are reported in accordance with
ESRS requirements and are calculated following
the GHG Protocol, which classifies emissions into
15 categories (C1 to C15):
C1 is categorised spend data multiplied by relevant
spend-category-specific emission factors.
C2 includes upstream GHG emissions (cradle to
operations) from acquired and installed wind, solar,
and storage assets. Emissions from asset construction
activities are calculated and allocated from final
investment decision (FID) to commercial operation
date (COD).
C3 is calculated based on actual fuel consumption
and power sales to end customers multiplied by
relevant emission factors. We use separate emission
factors for green and regular power sales.
C4 only includes fuel for helicopter transport.
Emissions from other transport types are included
in the emission factors we use for purchased goods
and services.
C5 is calculated based on actual waste data multi-
plied by relevant emission factors.
C6 is calculated based on mileage allowances for
employee travel in own cars and GHG emissions from
plane travel provided by our travel agent.
C7 is calculated based on estimates of the distance
travelled and travel type (e.g. car or train).
C9 is calculated based on volumes of residual
products, estimated distances transported, and rele-
vant emission factors for transport.
C11 is calculated based on actual sales of gas to
both end customers and wholesalers as reported in
our ESG consolidation system. The different types of
gas sold have specific upstream and downstream
emission factors.
The subcategories C8, C10, and C12-C15 are not
relevant for Ørsted.
Emission factors:
· Purchased goods and services, category 1 (supply
chain emission factors depending on product
categories). U.S. Environmental Protection Agency
(EPA): Supply Chain Greenhouse Gas Emission
Factors, USD 2018
· Capital goods, category 2 (wind farms, offshore).
The model is based on the ISO 14040 life cycle
assessment standard (1) and applied in the openLCA
software. The modelling is conducted using the
Environmental Footprint 3.0 LCIA (life cycle impact
assessment) method and the impacts of each
activity
· Capital goods, category 2 (wind farms, onshore).
Vestas, Life cycle assessment of electricity produc-
tion from an onshore EnVentus V150-6.0 MW wind
plant – cradle-to-grave study. Vestas Wind Systems
A/S, January 2023
· Capital goods, category 2 (solar PV). CdTe: First
Solar, Environmental Product Declaration: Series 6
Photovoltaic Module, NEPD-2993-1671. EPD-Norge,
2021; Mono-si: NREL, An Updated Life Cycle Assess-
ment of Utility-Scale Solar Photovoltaic Systems.
National Renewable Energy Laboratory, 2021
· Capital goods, category 2 (battery energy storage
system). Life cycle assessment report of ICENI and
Old 300. The assessment is based on the ISO 14040
life cycle assessment standard and applied in the
openLCA software. The modelling is conducted
using the Environmental Footprint 3.1 method
and the ecoinvent 3.11 database; Peralta, M., &
Barron, J.: Carbon footprint and energy payback of
photovoltaic technologies: A review of trends and
gaps, Journal of Cleaner Production, Vol. 426, 2024
· Fuel and energy-related activities, category 3
(emissions from regular power sales and upstream
supply chain for fuels). Association of Issuing Bodies
(AIB): European Residual Mixes, 2024 (2023 data);
UK Department for Environment, Food & Rural
Affairs (DEFRA): UK government GHG conversion
factors for company reporting, 2024
· Business travel, category 6 (assumptions: ‘average
car’, ‘unknown fuel type’). UK Department for Environ-
ment, Food & Rural Affairs (DEFRA): UK government
GHG conversion factors for company reporting, 2024
· Use of sold products, category 11 (emissions from
end-use of gas). UK Department for Environment,
Food & Rural Affairs (DEFRA): UK government GHG
conversion factors for company reporting, 2024
GHG emissions intensity (scopes 1, 2, and 3),
energy generation and net revenue
GHG intensity based on energy generation is calcu-
lated as the total scope 1, scope 2 (market-based),
and scope 3 (excluding gas sales) emissions divided by
total heat and power generation. The calculation of
GHG intensity based on net revenue divides the total
scope 1-3 GHG emissions (numerator) with the total
net revenue.
Biogenic carbon emissions outside of scopes 1-3
Direct carbon emissions from burning biomass is
reported outside of scopes 1-3, as per the GHG
Protocol. The direct biogenic carbon emissions are
calculated by multiplying the volume of used biomass
with the corresponding carbon emission factors.
The indirect biogenic emissions have been estimated
based on our consumption of electricity and heat
produced using biomass.
Emission factors:
· Biogenic emissions from combustion of biomass
(GHG emissions outside of scopes 1-3, biomass and
biogas). UK Department for Environment, Food &
Rural Affairs (DEFRA): UK government GHG conver-
sion factors for company reporting, 2024
GHG emissions not accounted for under
the consolidated Group
As per the ESRS, we include scope 1 and 2 emis-
sions from assets where we have no or only partial
ownership, but maintain full operational control.
The GHG emissions include emissions associated
with fuel usage (scope 1) and electricity consumption
(scope 2) when operating renewable assets.
Calculated avoided emissions
Avoided emissions are calculated as the difference
between the annualised life cycle emissions asso-
ciated with our renewable power generation in the
reporting period, and the emissions associated with
an equivalent amount of power generated from the
average power grid mix in the countries where our
power was generated.
Emission factors:
· Grid mix emission factors (country-specific factors
which include life cycle emissions and trade adjust-
ments). International Energy Agency (IEA), 2023
· Annualised indirect emissions from our renewable
energy generation (technology-specific life cycle
factors). International Panel for Climate Change
(IPCC): Fifth Assessment Report, 2018
Accounting policies
80
Sustainability statements
Environment / E1 Climate change
Annual Report 2025 �rsted