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When Nordic balancing prices appear, and how often they change
The same electricity prices are published by several organisations, at different times, and are sometimes changed afterwards. Their websites only show the latest number. This site checks them every 15 minutes and keeps every version, so you can see who publishes first and what changed later.
What is an imbalance price?
Power companies promise in advance how much they will produce or use. Whoever ends up off that plan pays or is paid the imbalance price for each 15 minutes. It is only known after those 15 minutes are over.
Why does the timing matter?
Traders, battery operators and balance responsible parties act on this price. Knowing where it appears first, and how long it usually takes, tells them when they can rely on it.
Why do later changes matter?
If a published price is changed, anyone who acted on the first number acted on a wrong one. Analyses built on today’s final numbers quietly assume they were known sooner, and more accurately, than they were.
What the data shows, last 7 days
Right now
Latest imbalance price per zone
The newest 15-minute interval each source has a price for, and how long ago that interval ended. Refreshed every 15 minutes.
Changed in the last 3 hours
Imbalance prices
Who publishes first, and who revises
Every 15 minutes gets its own price, published after those 15 minutes end. The same price appears on eSett, on ENTSO-E and on the national TSO’s site, each at its own pace.
Minutes until the first price appears
One row per price zone. Further left means faster. The symbol is a typical day (median); the line runs to how late it gets on a bad day (95th percentile). Times are accurate to about 15 minutes.
Share of first prices changed later
Prices first seen in the last 7 days that were changed or withdrawn afterwards.
What the changes were
Imbalance price changes logged in the last 7 days, and how many replaced a first price of exactly 0.00.
By zone and source
The numbers behind both charts. Sort, filter, reorder or hide columns, or download them as CSV.
Reserve capacity
Auctioned ahead, then re-priced
Grid operators also pay companies to stand ready to adjust their power at short notice (reserve capacity, such as FCR, aFRR and mFRR). That capacity is bought in auctions before delivery, so its price appears hours or days ahead, and can change when a later auction clears.
Hours before delivery the first price appears
Median over the delivery hours of the last 7 days.
By product and zone
Revision log
Every price change after first publication
The most recent changes from the last 7 days, newest first: what the price was when it was first published, and what it is now. A withdrawal is a price that disappeared. Gaps filled in before a price was published are not listed.
Revisions per hour
Each bar is one hour. Each source has its own scale, so a large batch of reserve re-pricings does not hide the hourly pattern.
Over time