Category: Projects

Solar Technology Developers

Kramer Electric – Site

For more information – info@winkelmansolar.com


August 16, 2020 0

Virnig Farm

January 27, 2015 News Release From David Winkelman, 218 764 2321, dw@ecowerc.com Pierz, MN. Kevin and Mark Virnig of Virnig Farm announced today that they are now powering their dairy business partially from solar energy produced by an array of solar electric panels on their roof of their cow barn. The solar panels cover only…
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July 22, 2020 0

Pep’s Pork

Client: Pep’s Pork Developer: David Winkelman Location: New Munich, MN Size: 5.52 kilowatts DC Module: 24 0f Yingli Modules, 230 watts each Inverters: One each of Fronius 5 kW DC Type of mount: Roof-mounted with aluminum rack and rails When Installed: 2010 Spring Monitoring: none Main Contact: Jim Poepping of Pep’s Pork, MN Comments: Jim…
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July 22, 2020 0

Grindahl – Overview

Client: Mark and Cindy Grindahl home and greenhouses Developer: David Winkelman Location: Pine River, MN Size: 10 kilowatts DC Module: TenK 410 Titans Inverter: Outback 10 kW Type of mount: Ground-mounted with concrete piers When Installed: 2013, Fall Monitoring: Outback Main Contact: Mark Grindahl, mchhl@tds.net Comments: Mark and Cindy have a sustainable farm with greenhouses.…
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July 22, 2020 0

Red Stone Mill Layout

For more information – info@winkelmansolar.com


July 22, 2020 0

Red Stone Mill

Client: Red Stone Mill, a sustainable forest industry business Developer: David Winkelman Location: St Martin, MN Power Company: Xcel Energy Size: 14.80 kilowatts DC Module: 63 Yingli panels, 235 watts each Inverters: 63 each of Enphase micro-inverters Type of mount: Roof-mounted, aluminum rack and rails. Carport, Ground mounted Schletter structure. When Installed: 2011 Spring Monitoring:…
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July 22, 2020 0

Calvert Home

Sam Calvert’s Home in St Cloud MN Utilizing a nice, low sloping, easy-to-walk-on roof that faces slightly SE, the Calvert family home energy use has been powered almost completely by solar PV since 2015. David Winkelman did the initial design, developed the project, arranged contractors and supervised the communications for all parties involved (Xcel Energy,…
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July 22, 2020 0

Prairie Wood Environmental Learning Center

For more information – info@winkelmansolar.com


July 22, 2020 0

CLC Staples

Client: Central Lakes College, Staples Campus Developer: David Winkelman Location: Staples, MN, CLC Campus Size: 11.2 kilowatts DC Module: Solar World Inverter: Enphase Type of mount: Three types of groundmounts: Pole, Wall and Tracker When Installed: Winter of 2015-16 Monitoring: Enphase Main Contact: Hara Charlier, President, hcharlier@clcmn.edu This 2016 installation was the initial solar installation…
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July 22, 2020 0

Doug Fredickson letter

DOUG FREDRICKSON, VICE PRESIDENT OF OPERATIONS, BLATTNER ENERGY 10:37 a.m. CDT August 15, 2015 As vice president of Blattner Energy, a power generation company, I’m proud to be part of one of the strongest clean energy economies in the nation. We don’t play politics with our energy sector in Minnesota — it’s too important. Instead,…
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July 17, 2020 0