Allow custom carbon intensity configuration#863
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Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## master #863 +/- ##
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+ Coverage 88.82% 88.88% +0.05%
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inimaz
approved these changes
May 10, 2026
This commit introduces a new configuration option, `custom_carbon_intensity_g_co2e_kwh`,
allowing you to specify a direct carbon intensity value (in gCO2e/kWh) for your
energy consumption.
When this value is provided (either via the `.codecarbon.config` file or the
`CODECARBON_CUSTOM_CARBON_INTENSITY_G_CO2E_KWH` environment variable),
it overrides all other methods of determining carbon intensity, including
cloud provider data, CO2 Signal API, and default geographical energy mixes.
Key changes include:
- Modifications to `codecarbon/core/config.py` to recognize the new
configuration parameter (though existing mechanisms were largely sufficient).
- Updates to `codecarbon/emissions_tracker.py` (specifically
`BaseEmissionsTracker`) to read, validate (must be a positive float),
and pass the custom intensity to the `Emissions` class.
- Updates to `codecarbon/core/emissions.py` to use this custom intensity
value in `get_cloud_emissions` and `get_private_infra_emissions` if provided,
bypassing other data lookups.
- Comprehensive unit tests added to:
- `tests/core/test_config.py` for configuration loading.
- `tests/test_tracker.py` for validation and initialization logic in
`BaseEmissionsTracker`.
- `tests/core/test_emissions.py` for the `Emissions` class calculation
logic using the custom value and fallback mechanisms.
This feature provides you with greater flexibility and accuracy in
reporting emissions, especially for on-premise setups with specific energy
mixes or when default data sources are not representative.
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This PR introduces a new configuration option,
custom_carbon_intensity_g_co2e_kwh, allowing you to specify a direct carbon intensity value (in gCO2e/kWh) for your energy consumption.When this value is provided (either via the
.codecarbon.configfile or theCODECARBON_CUSTOM_CARBON_INTENSITY_G_CO2E_KWHenvironment variable), it overrides all other methods of determining carbon intensity, including cloud provider data, CO2 Signal API, and default geographical energy mixes.Key changes include:
codecarbon/core/config.pyto recognize the new configuration parameter (though existing mechanisms were largely sufficient).codecarbon/emissions_tracker.py(specificallyBaseEmissionsTracker) to read, validate (must be a positive float), and pass the custom intensity to theEmissionsclass.codecarbon/core/emissions.pyto use this custom intensity value inget_cloud_emissionsandget_private_infra_emissionsif provided, bypassing other data lookups.tests/core/test_config.pyfor configuration loading.tests/test_tracker.pyfor validation and initialization logic inBaseEmissionsTracker.tests/core/test_emissions.pyfor theEmissionsclass calculation logic using the custom value and fallback mechanisms.This feature provides you with greater flexibility and accuracy in reporting emissions, especially for on-premise setups with specific energy mixes or when default data sources are not representative.