Russia did not start large-scale missile strikes on Ukraine’s energy infrastructure until after the truck bombing of the Kerch Bridge, which connects Crimea to the Russian mainland.

Source: https://news.antiwar.com/2023/02/16/blinken-warns-attempting-to-retake-crimea-is-a-red-line-for-putin/

Tellingly, Ukraine has yet to strike the Kerch Bridge using the Storm Shadow.

Source: https://www.longwarjournal.org/archives/2023/06/kyiv-strikes-key-bridge-connecting-crimea-to-mainland-ukraine.php?utm_source=rss&utm_medium=rss&utm_campaign=kyiv-strikes-key-bridge-connecting-crimea-to-mainland-ukraine

This satellite image provided by Maxar Technologies shows damage to the Kerch Bridge, in October 2022.

Source: https://www.9news.com.au/world/russia-ukraine-update-ukrainian-official-hanna-maliar-official-appears-to-claim-responsibility-for-crimea-bridge-explosion/9f042392-f9c7-4782-8d19-f98db767224d

Ukrainian President Volodymyr Zelensky called the Kerch Bridge, which connects occupied Crimea to Russia, "the road that fuels the war with ammunition" while speaking to the Aspen Security Forum.

Source: https://www.upi.com/Top_News/World-News/2023/07/22/ukraine-strikes-kill-six-zelensky-says-kerch-bridge-neutralize/3351690036929/

With the other key rail link - the one across the Kerch Bridge - the target of repeated Ukrainian attacks since last October, Mr Kuzan says Russia is transporting 70% of its supplies along the M-14 highway, which runs closer to the coast.

Source: https://www.bbc.co.uk/news/world-europe-66702244?at_medium=RSS&at_campaign=KARANGA