megawatt hour CO2e equivalent (MWh→CO2e)
1 megawatt hour CO2e equivalent = 445 kilograms CO2e
What is megawatt hour CO2e equivalent?
Megawatt hour CO2 equivalent is a large-scale carbon emissions unit used to assess the environmental impact of power generation facilities, industrial processes, and energy-intensive operations.
Notes: Approximate grid factor
Real-world uses
MWh CO2e equivalent is used in utility-scale carbon accounting, power purchase agreements (PPAs), and renewable energy certificate (REC) calculations. Large industrial facilities and data centres report electricity emissions in MWh CO2e for sustainability disclosures.
History
MWh-level CO2e reporting became standard with large-scale emissions trading and corporate sustainability reporting frameworks like the CDP (formerly Carbon Disclosure Project), founded in 2000, and the GHG Protocol Corporate Standard.
Common mistakes
Assuming all MWh have the same carbon intensity. A MWh from a coal plant may emit 900+ kg CO2e, while a MWh from wind or solar emits near zero (excluding manufacturing). Marginal vs average emission factors also yield different results.
When is this conversion used?
Converting megawatt hour CO2e equivalent to kilogram CO2e is useful in the carbon emissions domain when comparing values across different measurement standards or applying formulas that require a specific unit.
How to convert megawatt hour CO2e equivalent to kilogram CO2e
To convert megawatt hour CO2e equivalent to kilogram CO2e, multiply the value by 445.
Conversion formula (from base unit)
x * 445.0
Measurement standards
The Greenhouse Gas Protocol, maintained jointly by the World Resources Institute and the World Business Council for Sustainable Development, is the de facto global standard for measuring and reporting greenhouse gas emissions across corporate, project, and product life-cycle scopes.
Did you know?
A single transatlantic round-trip flight from London to New York generates roughly 1.6 tonnes of CO₂ per passenger — nearly a quarter of the average annual carbon footprint of a person in France.
| megawatt hours CO2e equivalent | kilograms CO2e |
|---|---|
| 0.1 | 44.5 |
| 0.5 | 222.5 |
| 1 | 445 |
| 2 | 890 |
| 5 | 2,225 |
| 10 | 4,450 |
| 25 | 11,125 |
| 50 | 22,250 |
| 100 | 44,500 |
| 250 | 111,250 |
| 500 | 222,500 |
| 1,000 | 445,000 |
Full megawatt hour CO2e equivalent conversion table
| Unit | Value | Factor |
|---|---|---|
| kilogram CO2e | 1 MWh→CO2e = 445 kg CO2e | × 445 |
| gram CO2e | 1 MWh→CO2e = 445,000 g CO2e | × 445,000 |
| tonne CO2e | 1 MWh→CO2e = 0.445 t CO2e | × 0.445 |
| watt hour CO2e equivalent | 1 MWh→CO2e = 1,000,000 Wh→CO2e | × 1,000,000 |
| kilowatt hour CO2e equivalent | 1 MWh→CO2e = 1,000 kWh→CO2e | × 1,000 |