Summer Solar Panel Shade Analysis
This analysis examines the impact of shade on solar panels located on different roofs of a house in Santa Rosa, CA. Detailed observations and projections are provided for the SW roof, SE roof, and Garage SE roof, highlighting the effects of nearby trees and structures throughout the day. The evaluation includes insights on potential improvements by removing specific sources of shade to optimize solar panel efficiency.
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Presentation Transcript
Summer Solar Panel Shade Analysis Chris Jones Santa Rosa, CA 7/15-7/27/2023 Topic Page House SW Roof 2 House SE Roof Garage SE Roof
House SW Roof Time Voltage Power kWh Observations with both trees present Projection if valley oak removed 8 AM 9 AM 10 AM 11 AM Noon 1 PM 2 PM 3 PM 4 PM 5 PM
House SE Roof Time Observations with both trees present Projection if valley oak removed 8 AM Partial shade on far surface from neighbor s house Partial shade on far surface from neighbor s house 9 AM No shade No shade 10 AM No shade No shade 11 AM No shade No shade Noon No shade No shade Telephone pole shade; remove telephone pole? 1 PM Telephone pole shade 2 PM Valley oak starting to shade No shade 3 PM Valley oak shading most of near surface over family room and part of far surface No shade 4 PM Almost complete shade from valley oak, and partial shade from magnolia; but SE panel angle sub-optimized by this point Partial shade from magnolia; but SE panel angle sub- optimized by this point 5 PM Sunset Sunset
Garage SE Roof Time Observations 8 AM No shade 9 AM No shade 10 AM No shade 11 AM No shade Noon No shade 1 PM Telephone pole shade 2 PM Telephone pole shade 3 PM No shade 4 PM No shade 5 PM Sunset
