How to calculate Scope 2 emissions from your electricity bills
Knowing how to calculate Scope 2 emissions comes down to one multiplication: the kWh on your electricity bill times the emission factor of the grid it came from. It is usually the biggest number in a Balkan inventory, and the factor is where generic tools go wrong.
How to calculate Scope 2 emissions, step by step
- Scan each monthly electricity invoice for the facility. This is the fastest route.
- Confirm the period and the kWh. If the invoice shows day and night tariffs, the total kWh is what counts.
- For sites with interval meters or a building management system, use CSV import for monthly kWh instead.
- Repeat for all twelve months and every facility. The coverage view shows any month still missing.
District heating and cooling go under Scope 2, Heating and cooling: enter the delivered energy in kWh, or the unit on the bill, per month, and attach the bill as evidence.
Location-based vs market-based
The GHG Protocol Scope 2 Guidance describes two methods. The location-based method uses the average emissions of the grid where the electricity was consumed. The market-based method reflects the electricity a company has chosen through contracts and certificates.
Karbon360 applies the location-based method, with the national grid factor for each facility's country. If you hold a green-energy certificate, keep it on file; location-based reporting is what the product applies today.
Why the factor decides the result
Balkan grid factors differ by multiples between countries, from hydro-heavy to lignite-heavy. The factor used is shown on every record, so a reviewer can see that the inventory was built for this region. See emission factors.
Special cases
- Shared building, one meter: enter your share and note the method.
- Own solar panels: enter only electricity bought from the grid.
- Bill covering two months: split the kWh by days.
- Generator electricity: not Scope 2. Enter the generator's fuel under Scope 1.
Keep reading
- What are Scope 2 emissions? — the definition
- Scan electricity invoices — the step-by-step guide
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