On 20 December 2018, professional rock climber Alex Honnold announced his partnership with Rivian as a brand partner and collaborator.[34][35] During a live stream on 15 June 2019, Rivian announced plans to collaborate with the Honnold Foundation and nonprofit Casa Pueblo on a solar project aiming to establish a microgrid in Adjuntas, Puerto Rico, a city that was severely affected by Hurricane Maria in 2017.[36][37][38] Rivian plans to repurpose used battery packs from its development vehicles into stationary energy storage units.[37][38] The microgrid is intended to grant residents access to electricity for core business and will be used daily to mitigate the high cost of energy in Puerto Rico, which is twice the U.S. national average.[37] The project is expected to launch in 2020.[37]