3.2 megawatts of PV solar retired in 2013 (installed in 1984)(at the former Rancho Seco nuclear plant).
https://www.transmissionhub.com/articles/2016/10/smud-powers-up-11-mw-solar-plant-at-rancho-seco.html
That must have cost a fortune in the day.k
Thanks for the mention.