[RE-wrenches] half cut PV modules

Zeke Yewdall zeke at darkforestsolar.com
Thu Sep 4 19:20:44 PDT 2025


Wow.  Reading through your document, I guess I've missed out on a lot of
wire management issues by doing mostly ground mounts with my halfcut
modules -- no MLPE, and just running the wires in the third rail.

I actually like the half cut modules a lot better for production in the
winter because when I get snow covering just the bottom edge of an array,
the top part still works at half amperage -- much better than the old 60
cell modules where I'd often have a few inches of snow hanging on the
bottom cell line, blocking all three of the bypass sections.   Usually I
find myself on the other end... where equipment is designed with everything
except winter off grid systems.  Interesting that in this case, it's
actually good for my situation, by chance.

Zeke
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