← on nowLGR-144 · v0.1.0 · model · model every roof: the numbers
every roof · if every suitable roof on earth had panels
every suitable roof on earth would generate about 27,000 terawatt-hours a year: about as much electricity as the world uses. not every hour. the sun sets. that is the storage problem, and it is the whole problem.
method Joshi et al. 2021: global rooftop PV technical potential ~27 PWh/yr; NREL 2016 for the US share.
live. this is the channel itself. embed it anywhere:
<iframe src="https://thetoll.earth/?channel=every%20roof" width="100%" height="520" style="border:1px solid #D9DDDB" title="the toll · every roof"></iframe>
or the whole broadcast, every channel, the same for everyone:
<iframe src="https://thetoll.earth/?embed=1" width="100%" height="520" style="border:1px solid #D9DDDB" title="the toll · on now, everywhere"></iframe>
how this number is built
- method
- Joshi et al. 2021: global rooftop PV technical potential ~27 PWh/yr; NREL 2016 for the US share.
- range
- technical potential 20–30 PWh/yr; economic potential lower
- confidence
- model
- weakness
- technical potential is not deliverable electricity: night, seasons and storage are the gap, and the screen says so.
- dispute
- dispute LGR-144 · corrections are credited
- data
- channels.json (sign-in) · full entry · CC BY 4.0