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  • 1.  PV on a historic building

    ASES Life Member
    Posted 02-08-2024 01:52 PM

    I'm looking for guidance on replacing a south facing slate roof with PV shingles. This is a classic historic New England church built in the 1800's. The building is in the historic district and limited in the ability to change external features. Does anyone in the community have examples of where this might have been done?  Thank you. 



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    Jeff Peterson
    NYSERDA - retired
    NY
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  • 2.  RE: PV on a historic building

    ASES Life Member
    Posted 02-09-2024 06:23 PM

    ooF.  That could be difficult.  Historic districts have varying strict rules on what can be done.  Many have rules that say no visible solar possible - so they'll only allow solar if it's on a part of the roof that won't be visible - sometimes just road-facing, other times, anywhere.  And slate is also difficult and expensive to work on.  If they even allow it, you may need to build scaffolding to allow the installers to work without stepping on the slate, which breaks easily.  Special clasps are used when installing on slate.  Many installers won't even consider doing this...

    Let us know what happens!

    Dara



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    Dara Bortman
    Sustainable Solar Systems
    Philadelphia PA
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  • 3.  RE: PV on a historic building

    ASES Life Member
    Posted 02-09-2024 06:32 PM

    The slate roof needs major work. One thought is to remove the slate roof and replace it with PV shingles. 



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    Jeff Peterson
    Retired
    NY
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  • 4.  RE: PV on a historic building

    ASES Life Member
    Posted 02-11-2024 02:04 PM
    Jeff,
    A church in Virgil, on the Niagara Stone Road in Ontario, Canada (on the way to Niagara On the Lake) has solar panels that appear to be on a slate roof; for  about 10 years.
     I suspect the appearance from the ground of slate may be an illusion; the roof panels may actually be a composite that provides fastenablitiy. A company here in the Boston Valley makes such a tile look alike. Canadians being adaptive people probably have a similar product and manufacturer.
    I expect an on-line search for"Virgil Church on Niagara Stone Road, Ontario" will yield who to contact there for more detail.
    Parkside Lutheran Church in Buffalo. NY faces a similar historic situation. Similar materials are allowed in historic reconstructions/changes in the USA.
    David Stout, 354 Lakeside Rd, Angola, NY 14006.