⚡ Wattic

Wattic launched in April 2026 and is still under development. Feedback is welcome — there are bound to be small inconsistencies here and there.

Using the site

Average
The Average buttons in the top bar set the length of the rolling average (1 day – 1 year).
Period
The Period presets and the date fields in the top bar set the time range shown.
Choosing series
The buttons above each chart pick which series are shown. A long press solos one and hides the rest.
Clicking one band of a stacked bar shows only that band — nuclear across the years, say. Clicking it again brings the rest back.

Data

Fingrid
Finnish total electricity production and consumption from 2004, production types and cross-border transfers from 2014.
Sähkötin
Finnish price data from 2013.
Statistics Finland
Electricity supply, consumption and consumer prices as long time series.
ENTSO-E
European day-ahead electricity prices by bidding zone from 2015.
Elexon
UK market index price (MID, APX). Converted to EUR/MWh at a fixed rate of 1 GBP = 1.17 EUR.

Finnish-language pages

The Finnish production, transfer and price pages are in Finnish only for now. wattic.fi

Markku Hänninen