Subsequently, the launch of nuclear reactors in Russia, particularly the Leningrad Nuclear Power Station, reduced demand for electricity produced from oil shale, and, along with a post-Soviet restructuring of the industry in the 1990s, led to a decrease in oil shale mining.
Kemudian, pengoperasian reaktor nuklir di Rusia, khususnya Pembangkit Listrik Tenaga Nuklir Leningrad, mengurangi permintaan listrik yang dihasilkan dari serpih minyak, dan di tahun 1990-an, terjadi penurunan penambangan minyak serpih.