I'm not sure if they count as widely available yet, but here you go: https://octopus.energy/works-with-octopus/ https://octopus.energy/works-with-octopus/ (Dis

I'm not sure if they count as widely available yet, but here you go: https://octopus.energy/works-with-octopus/ https://octopus.energy/works-with-octopus/ (Disclosure: I work for this company, although not on these products.)