When you meet the contractor for the first time, ask to view their Contractors State License Board (CSLB) "pocket license" and a photo ID to confirm they are authorized. Contact the CSLB to verify the contractor's authorization.
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PV performance monitoring is the systematic process of collecting, analyzing, and benchmarking real-world PV output against modeled expectations.
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The daily kWh generation of a solar panel can be calculated using the following formula: The power rating of the solar panel in watts ×-- Average hours of direct sunlight = Daily watt-hours.
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The 30-degree rule is flexible: While 30 degrees is often cited as optimal, any roof pitch between 15-45 degrees will deliver excellent solar performance, typically within 5-10% of peak efficiency. Don't let imperfect pitch discourage you from going solar.
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