Sustainability-first cloud comparison

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

Low carbon (≤ 100 g)Medium (100–300 g)High (> 300 g)

0+

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.

7 regionsø 179 g

Azure

Microsoft's cloud platform, targeting carbon negativity by 2030 and 100% renewable energy supply by 2025.

6 regionsø 176 g

Google Cloud

Google Cloud matches 100% of its electricity with renewables and targets 24/7 carbon-free energy by 2030.

6 regionsø 245 g

OVHcloud

European cloud leader with industry-leading PUE thanks to proprietary water-cooling technology.

4 regionsø 43 g

Scaleway

French cloud provider running on 100% renewable energy with adiabatic cooling data centers.

3 regionsø 309 g

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

Ready to deploy greener?

Compare 26 regions across 5 providers and cut your infrastructure emissions today.