Carbon Footprint by Grid Mix

Calculate emissions using live IEA data for your country's actual power grid. Same appliance, different footprint: France nuclear vs Poland coal vs Norway hydro.

Your Usage
Your Carbon Footprint
18.8 kg CO₂/month
Based on France's grid mix: 65% nuclear, 12% hydro, 9% wind
89% below global average (166.3 kg world avg)
±5% — Tier 1 — IEA monthly data
Nuclear 65%
Hydro 12%
Wind 9%
Gas 6%
Solar 4%
Bioenergy 2%
Other 2%
Carbon intensity: 54 g CO₂/kWh · Global avg: 475 g/kWh
Same Usage, Different Countries
Countryg CO₂/kWhkg CO₂/movs France
🇳🇴 Norway3010.5-44%
🇫🇷 France5418.8
🇩🇪 Germany332116.3+520%
🇺🇸 United States354124.0+561%
🇨🇳 China522182.7+874%
🇵🇱 Poland583204.1+988%
🇮🇳 India614214.8+1,045%
France's Grid Mix (IEA 2024)
  • Nuclear65.0%
  • Hydro12.0%
  • Wind9.0%
  • Gas6.0%
  • Solar4.0%
  • Bioenergy2.0%
  • Other2.0%
IEA 2024 · Tier 1

Complete Guide to Carbon Footprint by Grid Mix

A washing machine in France emits around 50 grams of CO₂ per load. The same machine in Poland emits about 3,750 grams. The difference is not the machine — it's the power grid. Most carbon calculators use a global average (475 g CO₂/kWh), which is accurate for nobody. This guide explains why grid mix matters, how to calculate your true footprint, and what you can do about it.

Why grid mix matters more than usage

Carbon intensity varies by more than 100× between the cleanest and dirtiest grids. A French household using 350 kWh/month emits about 3.5 kg CO₂. A Polish household using the same 350 kWh emits about 263 kg. The Polish household could reduce usage by 90% and still emit more than the French household. This is why "reduce your usage" advice is incomplete without grid context.

When to use this tool vs. alternatives

ToolBest ForLimitationOur Advantage
Carbon Footprint LtdUK householdsUK-only grid, static data150+ countries, live IEA
WWF FootprintAwarenessGlobal averageCountry-specific accuracy
EPA CalculatorUS householdsUS-only, 2019 dataInternational, updated annually
Electricity MapsReal-time geeksApp-only, no appliance breakdownWeb + appliance-level + API
Tesla Impact ReportTesla ownersTesla-only, marketing biasBrand-neutral, all EVs

Interactive scenarios

What if you move from Poland to France?

You use 350 kWh/month. Poland: 350 × 750 g/kWh = 263 kg CO₂/month. France: 350 × 50 g/kWh = 17.5 kg CO₂/month. Reduction: ~93%. For a family of 4, moving from Poland to France reduces household electricity emissions more than giving up a car.

What if you buy an EV in India vs Norway?

15,000 km/year × 150 Wh/km = 2,250 kWh/year. Norway (8 g/kWh): 18 kg CO₂/year. India (570 g/kWh): 1,283 kg CO₂/year. The EV is still cleaner than petrol in India, but the climate advantage over a petrol car is ~70× smaller than in Norway.

What if your country adds 10 GW of solar?

Chile's grid is roughly 20% solar today. Adding 10 GW doubles capacity and displaces coal and gas. Projected intensity drops from ~250 g/kWh (2024) to ~120 g/kWh (2028). A 350 kWh/month household footprint drops from 88 kg to 42 kg — a 52% reduction without changing behaviour.

Methodology & data sources

  • IEA Electricity Information 2024 — annual generation by source, 150+ countries
  • IEA Monthly Electricity Statistics — provisional G20 data, 2-month lag
  • Ember Global Electricity Review 2024 — independent verification, 80 countries
  • IPCC 2019 Lifecycle Assessment — g CO₂/kWh: coal 820, gas 490, nuclear 12, hydro 24, wind 11, solar 48
  • National Grid Operators — real-time data for UK (ESO), France (RTE), Germany (Fraunhofer ISE), California (CAISO)
Frequently Asked Questions

Common questions

  • Carbon footprint depends on how your electricity is generated, not just how much you use. A washing machine in France (mostly nuclear, ~50g CO2/kWh) emits ~50g CO2 per load. The same machine in Poland (~750g CO2/kWh) emits ~3,750g CO2 per load — 75× more. Most calculators use a global average (475g CO2/kWh), which is accurate for nobody. We use country-specific grid mix data from the IEA.

  • IEA Electricity Information 2024 (annual), IEA Monthly Electricity Statistics (G20), Ember Global Electricity Review 2024, and IPCC 2019 lifecycle factors (g CO2/kWh by source). 150+ countries with annual refresh and monthly updates for major economies.

  • Tier 1 (G20, OECD): monthly data, <5% error. Tier 2 (emerging markets): annual data, 5–15% error. Tier 3 (limited data): modelled from regional averages, 15–25% error. The calculator shows a confidence band and tier label per country.

  • By default we report scope 2 (direct electricity emissions) using IPCC lifecycle factors that already include fuel extraction and plant construction. Appliance manufacturing and disposal are outside scope and tracked separately in our EV TCO and product carbon tools.

  • Yes — copy a shareable link to bookmark your current setup, or export a monthly PDF report. Saved accounts and smart-meter imports are on the Pro roadmap.

  • Most calculators (Carbon Footprint Ltd, WWF, EPA) use global or regional averages. We use country-specific live IEA grid mix, appliance-level breakdowns, and cross-country comparison — so you see the impact of where your electricity comes from, not just how much you use.

  • Yes. A REST API returns JSON with grid mix percentages, carbon intensity, and per-appliance footprints. Free tier: 100 requests/day. Pro tier: 10,000 requests/day with webhook alerts when grid mix shifts.

  • For fast-decarbonising grids (Chile, Morocco, Vietnam) or expanding-fossil grids (Bangladesh, Pakistan), we blend IEA annual data with Ember monthly tracking and show a wider confidence band plus a 5-year trajectory based on announced capacity additions.