Electricity Maps lays current, historical, and forecast grid data over a world map, making carbon intensity, generation mix, prices, renewable share, and power flows browsable by region. It turns an unruly infrastructure story into a useful visual comparison, but its modeled and preliminary values deserve the same care as any other live dataset.
What is Electricity Maps?
The useful trick here is context. Pick a country or grid zone and the map can move beyond one carbon number into the sources generating electricity, the power crossing borders, and changes across time. Layer choices cover carbon intensity, electricity price, renewable and carbon-free shares, and total load, while the zone views add mix and flow detail. That makes the site equally good for a quick neighboring-country comparison and a longer rabbit hole into why a grid looks the way it does. The public parser repository also gives technically curious visitors a route toward the machinery behind the map.
What you can do there
- Compare grid carbon intensity by country or zone
- Inspect electricity generation mix and cross-border flows
- Switch among historical, real-time, and forecast views
Why we picked it
Electricity is usually invisible until the bill arrives. This map gives the grid geography, motion, and consequences without flattening everything into a single global average. The result is a rare data tool that can reward a two-minute glance and still leave plenty to investigate.
How to get the most from it
Start with carbon intensity, then open one contrasting zone and compare its generation mix. Switch the timeframe before drawing conclusions, and check imports or exports when a region's headline number seems surprising. Treat the data-source and methodology links as part of the visit, not as footnotes.
Good to know
Coverage and measurement quality vary by zone. Electricity Maps labels some values as preliminary, estimated, or synthetic, and Google notes both geographic gaps and a lack of independent assurance for data it uses. The map has a free entry point; API access, account features, and deeper limits are separate considerations. Use the figures for exploration and comparison, not as a substitute for audited reporting.
Open Electricity Maps