Green Cloud Explorer
Compare cloud providers by carbon footprint, renewable energy, latency, pricing and availability — and pick the greenest region for your next deployment.
26 regions · 5 providers · updated for 2026
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Cloud Regions
0 g
Average Carbon · gCO₂/kWh
0%
Renewable Energy
0
Providers
Providers
Five clouds, one sustainability lens
Every provider is measured with the same methodology, region by region — so comparisons stay fair.
AWS
The world's largest cloud platform, with a commitment to power operations with 100% renewable energy by 2025.
Azure
Microsoft's cloud platform, targeting carbon negativity by 2030 and 100% renewable energy supply by 2025.
Google Cloud
Google Cloud matches 100% of its electricity with renewables and targets 24/7 carbon-free energy by 2030.
OVHcloud
European cloud leader with industry-leading PUE thanks to proprietary water-cooling technology.
Scaleway
French cloud provider running on 100% renewable energy with adiabatic cooling data centers.
Methodology
The Green Score, explained
A single 0–100 score that blends environmental impact with the metrics you already care about.
Every region gets a score from 0 to 100 — higher is greener, faster and cheaper.
Carbon intensity
40%
Grid emissions per kWh consumed by the data center.
Renewable energy
25%
Share of electricity sourced from renewables.
Availability
15%
SLA uptime commitment of the region.
Latency
10%
Estimated round-trip time from France.
Price
10%
Monthly cost of a standard 4 vCPU VM.
Carbon Calculator
Estimate your infrastructure footprint
Pick a region and a workload profile — get yearly CO₂ emissions and real-world equivalents, instantly.
🇫🇷 Gravelines runs at 32 gCO₂/kWh. Estimate includes a PUE of 1.2 for cooling and facility overhead.
Estimated yearly CO₂
22.9
kg CO₂eq
715 kWh · ≈ €720/year
Equivalent driving
191
km by car
Average EU petrol car — 120 g/km
Trees to offset
1
trees / year
A mature tree absorbs ~25 kg/year
Rankings
Top green regions right now
The five regions with the best overall Green Score across all providers.