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Case studies (9)
Paris, France
PartialHugging Face, Salesforce, Cohere and Carnegie Mellon University · since 2025 · Global
AI Energy Score, launched in February 2025 at the Paris AI Action Summit by Hugging Face, Salesforce, Cohere and Carnegie Mellon University, benchmarks models on standardised NVIDIA H100 hardware across 10 tasks and ass…
3 sources
Oakland, California, USA
OngoingWattTime (environmental non-profit; executive director Gavin McCormick) · since 2014 · Global
WattTime, founded in 2014 by UC Berkeley researchers and a subsidiary of Rocky Mountain Institute since 2017, provides Marginal Operating Emissions Rate (MOER, in pounds of CO₂ per MWh) via API in real-time, forecast, a…
Non-profit; a subsidiary of Rocky Mountain Institute since 2017, funded by grants and contributions · 3 sources
Copenhagen, Denmark
OngoingElectricity Maps (founder Olivier Corradi) · Global
Electricity Maps ingests data from TSOs, market operators, and government agencies via an open-source parser system, applies a flow-tracing algorithm to produce consumption-based (rather than production-based) carbon in…
Raised approximately $5.4M in 2024 from Transition and Revent; API is a paid subscription; visualisation app and parsers are open-source · 3 sources
Green Software Foundation (a Linux Foundation project) · Global
The Software Carbon Intensity (SCI) specification reached ISO accreditation as ISO/IEC 21031:2024 in Q1 2024. It defines software carbon as a rate: SCI = (E × I) + M per functional unit R, using a rate rather than a tot…
Non-profit foundation funded by member organisations · 2 sources
Google Cloud (provider-native tool) · Global
Google Cloud Carbon Footprint is a provider-native emissions tool included as a deliberate contrast to open-source multi-cloud approaches. It reports both location-based and market-based scope 2 emissions computed on an…
Provided by the cloud provider at no extra charge to customers · 2 sources
Chicago, Illinois, USA
OngoingThoughtworks (open-source project and sponsor) · since 2021 · Global
Cloud Carbon Footprint (CCF) is an open-source, multi-cloud tool launched by Thoughtworks in March 2021. It reads itemised billing and usage data from AWS, Google Cloud, Azure and Alibaba, converts it to energy using he…
Open-source, sponsored by Thoughtworks · 2 sources
Paris, France
OngoingGenAI Impact (a Data For Good collective), now part of the CodeCarbon non-profit · Global
EcoLogits is an open-source Python library that estimates energy and multi-criteria environmental impacts of generative AI API calls. It patches provider Python client libraries (OpenAI, Anthropic, Mistral AI, Cohere, G…
2 sources
Red Hat Emerging Technologies and IBM Research, with contributors including Intel and Weaveworks; a CNCF project · since 2023 · Global
Kepler (Kubernetes-based Efficient Power Level Exporter) attributes energy to individual processes, containers, pods, and nodes in orchestrated environments, exporting results as Prometheus metrics. It draws power readi…
Open-source, developed by member companies under the Cloud Native Computing Foundation · 3 sources
Montreal, Quebec, Canada
OngoingMila, BCG GAMMA, Haverford College, Comet.ml, with Data For Good France volunteers (now stewarded by the CodeCarbon non-profit) · since 2020 · Global
CodeCarbon is an open-source Python package that estimates CO2 from code execution. An EmissionsTracker (used as a context manager or decorator) samples CPU energy via Intel RAPL, GPU energy via NVIDIA NVML, and RAM e…
3 sources