Lots of nuance, citations below, TLDR is fossil gas and hydro volatility from Russia and climate change has caused price levels seen. Europe avoided €59B in fossil fuel import costs due to new wind and solar in the EU since 2019. The evidence shows renewables have been restraining electrical cost increases, and as more renewables and storage is deployed, costs should remain flat (if not decline).
https://www.iea.org/reports/renewable-energy-market-update-j...
https://ember-energy.org/data/european-electricity-prices-an...
https://gmk.center/en/infographic/electricity-prices-in-euro...
https://www.cam.ac.uk/research/news/electricity-prices-acros...