That's a flat out lie.
Post the proof .
Before you post a heavily edited article about Finland l suggest you read this :
The increase in wind power capacity and the operational start of the Olkiluoto 3 nuclear power plant have played a pivotal role in making Finland self-sufficient in electricity since spring. Despite this stabilization, short-term price fluctuations have been greater than before, primarily due to the growing share of wind power in the energy mix.
Interestingly, 2023 saw a record number of hours with negative electricity prices, totaling 467 hours. The most expensive day for electricity was November 21, with an average daily price nearing €300 per megawatt-hour. Conversely, due to incorrect data provided by a Norwegian company, prices dropped significantly three days later, reaching more than €200 below zero.
"The growth in wind power has been the most critical factor influencing these price variations,"
https://www.helsinkitimes.fi/finland/finland-news/domestic/24708-electricity-prices-in-finland-return-to-normal-levels-in-2023-down-64-from-previous-year.html