Two Case Studies

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Two Case Studies Residential Commercial
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Residential Case Study - 5.7 kW DC STC
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Commercial Case Study - 5.8 DC STC kW
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Sample Roof Profiles Best Design Practices
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Other PV Installation Examples
Montana
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Ptarmigan Residences, Helena Montana
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NCAT PV System
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Fire Station No. 4 - Missoula
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PV ResidentialDemonstration Project
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PV ResidentialDemonstration Project 1kW systems
(900 watts)
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Foster Home - Bozeman
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NCAT Building PV System
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East Jr. High - Butte
Choteau
Fort Benton
Conrad
Sun4Schools
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Design Considerations for New and Existing
Construction

• Orientation
• Shading (adjacent buildings, trees, building
  features)
• Obstructions
• Sufficient Area
• New vs. existing construction
• Condition of Roof

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Design Considerations (cont.)

• Roof material (comp shingle, tile , metal)
• Roof slope
• Suitable location for inverter
• Ease of access
• Security
• AESTHETICS

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Are you ready to start your own PV system ?