Quantification and reporting methodology:
The boundaries of this report are based on
operational control. We report our emissions
with reference to the latest Greenhouse Gas
Protocol Corporate Accounting and Reporting
Standard (GHG Protocol). In accordance with the
2018 regulations, the energy use and associated
greenhouse gas emissions are for those within
the UK only that come under the operational
control boundary. Therefore, energy use and
emissions are aligned with financial reporting for
the UK subsidiaries in their own right. The 2023 UK
Government GHG Conversion Factors for Company
Reporting published by the UK Department for
Environment Food & Rural Affairs (DEFRA) are used
to convert energy use in our operations to emissions
of CO₂e.
Natural gas use at the Brighton Horizon Centre is
based on actual data from invoices. For the London
Office some utilities are included in the rent, so
benchmarking based on floor area against industry
benchmarks has been used to provide estimated
consumption for gas.
Secondary data was provided for car allowance
drivers showing mileage per employee each
month. Engine size and fuel type were known and
have been used to calculate emissions against the
relevant conversion factors.
Electricity consumption at the Glasgow Office
and Brighton Horizon Centre is based on actual
data from invoices. For the Shipley and London
Offices, secondary data was available in the form of
meter readings which have been used to calculate
consumption. At the London Office there were
some inconsistencies and inaccurately captured
data in the meter readings supplied due to building
management changes. We are reliant on building
management to supply accurate meter readings;
therefore, consumption has been estimated for five
of the meters from October to December and for
one meter from November to December.
Estimates were made based on actual consumption
figures from previous months in 2023 and this was
averaged for the missing months.
Figures from the other meters had no
inconsistencies and so actual data was used to
calculate consumption. Carbon emission factors
for purchased electricity are calculated according
to the 'location-based grid average' method. This
reflects the average emission of the grid where the
energy consumption occurs. We purchase 100%
renewable electricity for our Shipley Office (August
2023 onwards) and Brighton Horizon Centre and
have included an additional net emissions figure
calculated using market-based factors to account for
this in our report.
Secondary data was provided for hire cars and
employee/volunteer business miles emissions in
private cars, showing mileage per car each month.
Engine size and fuel type were known and have
been used to calculate emissions against the
relevant conversion factors.
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