[RE-wrenches] Site Groundskeeping

[Lloyd Hoffstatter]

We used a state approved low grow seed mix in NJ. Some info on seed mixes from NREL. https://www.nrel.gov/docs/fy17osti/66218.pdf

Best regards,
Lloyd Hoffstatter
Sunstruck Consulting

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________________________________
From: RE-wrenches <re-wrenches-bounces at lists.re-wrenches.org> on behalf of Ray <ray at solarray.com>
Sent: Wednesday, May 13, 2020 11:07:18 PM
To: re-wrenches at lists.re-wrenches.org <re-wrenches at lists.re-wrenches.org>
Subject: Re: [RE-wrenches] Site Groundskeeping

Goats are definitely off, I found they ate everything except what you
wanted them to.  Very cute though.  The low profile "Robo mower" idea
has merit.

The best I've seen was a wild flower seed mix, that all grew only a
couple of feet high max.  They probably needed some weed wacking a few
times a year, but much less than grass.  Totally depends on the
location.  On the wet side of Maui, you would have the array disappear
into the jungle in 6 months, never to be seen again.  In the desert, it
might be sage brush after 10 years.

I worked on a project once that used 4" deep gravel spread over 160
acres.  Total disaster in my opinion; think how many cubic yards had to
be trucked in.  Vehicles got stuck in the loose gravel, it slowed
everyone down, and 3 ft high weeds were growing up out of it in 6
weeks.  Then when you went to weed wack, you had gravel projectiles sent
flying into the glass.


Ray Walters
Remote Solar
303 505-8760

On 5/13/20 9:28 PM, Jay wrote:
> Have you thought of sheep?
>
> Goats can be tough as they like to eat wire and climb on the panels. But if the modules are off the ground high enough might work.
>
> Jay
>
> Peltz power.
>
>
>> On May 13, 2020, at 6:22 PM, Corey Shalanski <coresolar at gmail.com> wrote:
>>
>> 
>> This is not so much a "wrench" question--more like a "lawnmower" question...
>>
>> For anyone involved with large-scale ground mount systems, I am curious about the various methods being used to control vegetation. My sense has been that O&M service providers generally gravitate toward gas mowers/trimmers with spot application of chemical herbicides. Does anyone have any experience with alternative methods, such as specialized seeding (e.g. pollinator-friendly), groundcover plants, goat herds, maybe even robotic GPS-guided mowers? I'm especially interested to hear from anyone who has analyzed the pros/cons of different methods or who can speak to any approaches that might be site-specific.
>>
>> --
>> Corey Shalanski
>> Jah Light Solar
>> Portland, Jamaica
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