Have any of the proponents endorsing solar panels over canals ever did maintenance support on canal systems?
I don’t think so. Sand and debris constantly blows into canals. Vegetation takes root in those canals. How do you remove these obstructions when you have overhead solar panels and their support infrastructure every twenty feet or so?
This idea as noble as it is, in the real world is impractical. Same principle applies to throwing solar panels on Lake Mead to suppress evaporation.
Good question. I recall talking with Turlock Irrigation District about this last year, but I need to look at my notes. I believe they are sited so maintenance can be conducted, but you raise some really good points. Will do more research and let you know if I find out more...
I’ve seen my fill (pardon the pun) of debris in canals. Typically on earth lined canals weeds are a major issue and the crews deal with it by riding on both sides canal and dragging a chain behind to remove the weeds. In the case of a solar panel installation, this is impossible. All canals get debris in them. Lined or unlined. Dirt and sand accumulates over time on the bottom of the canal and limited water volume in delivery becomes an issue.
If you want to get another learned opinion, contact Stuart Styles at Cal Poly SLO. He’s in charge of the irrigation programs there. Tell him I said hi.
Have any of the proponents endorsing solar panels over canals ever did maintenance support on canal systems?
I don’t think so. Sand and debris constantly blows into canals. Vegetation takes root in those canals. How do you remove these obstructions when you have overhead solar panels and their support infrastructure every twenty feet or so?
This idea as noble as it is, in the real world is impractical. Same principle applies to throwing solar panels on Lake Mead to suppress evaporation.
Good question. I recall talking with Turlock Irrigation District about this last year, but I need to look at my notes. I believe they are sited so maintenance can be conducted, but you raise some really good points. Will do more research and let you know if I find out more...
I’ve seen my fill (pardon the pun) of debris in canals. Typically on earth lined canals weeds are a major issue and the crews deal with it by riding on both sides canal and dragging a chain behind to remove the weeds. In the case of a solar panel installation, this is impossible. All canals get debris in them. Lined or unlined. Dirt and sand accumulates over time on the bottom of the canal and limited water volume in delivery becomes an issue.
If you want to get another learned opinion, contact Stuart Styles at Cal Poly SLO. He’s in charge of the irrigation programs there. Tell him I said hi.
Solar panels on canals reminds me of a very cool start-up, Emergy. They put small scale turbines in irrigation canals.
Great newsletter! Thanks!
Thanks Austin! Will check out Emergy.
Daniel,
I really enjoy reading your summaries of our water issues in the West.
Steve Garrett
Thanks Steve!