Quick Answer
In the Pacific Northwest, the best orientation for solar panels is generally south-facing, with an ideal tilt angle of 30-40 degrees to maximize energy production. This orientation allows for consistent sunlight exposure throughout the year. A south-facing slope with a 35-degree tilt is a good compromise for this region.
Choosing the Optimal Orientation
When selecting the optimal orientation for solar panels in the Pacific Northwest, consider the local solar path and the surrounding environment. Since the region receives moderate sunlight, a south-facing installation will provide consistent energy production throughout the year. Aim for an east-west axis, with the panels pitched at a 30-40 degree angle to accommodate the region’s moderate winter sun angle.
Tilt Angle Considerations
A tilt angle of 30-40 degrees is ideal for the Pacific Northwest, as it balances energy production during the summer and winter months. For example, a 30-degree tilt will produce approximately 90% of the maximum energy potential during the winter months, while a 40-degree tilt will produce about 95%. Consider a 35-degree tilt as a compromise between the two, providing optimal energy production during the fall and spring seasons.
Environmental Factors
Keep in mind local environmental factors, such as tree canopies and nearby structures, when selecting the optimal orientation for your solar panel installation. A slight adjustment in tilt angle or orientation may be necessary to avoid shading issues. Consult a solar panel professional to ensure an optimal installation that maximizes energy production and minimizes maintenance.
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