Complete Solar Analysis: Philadelphia, United States
Solar Overview
Philadelphia receives an average of 2,480 sun hours per year, with peak solar production during August. The 39.95° latitude position ensures strong solar production year-round, with only modest seasonal differences. Overall, Philadelphia is considered well-suited for residential and commercial solar installations.
Geographic Impact
The coordinates 39.9526°N, -75.1652°E define Philadelphia's position and directly influence its solar energy characteristics. The moderate latitude position creates near-ideal circumstances for solar energy, with high sun angles throughout the year and minimal seasonal adjustment needs.
Rating Methodology
The "Good" classification reflects Philadelphia's solar resource quality, considering its 2,480 annual sun hours and 14.6°C average ambient temperature. The cool environment benefits panel efficiency, with lower temperatures offsetting reduced irradiation during shorter winter days. These favorable conditions make solar energy economically attractive, especially for reducing high electricity bills.
Understanding the Data
The following chart shows how solar energy varies month-to-month in Philadelphia. The chart reveals balanced solar availability throughout the year, with peak production during August. This distribution pattern helps inform decisions about fixed versus tracking systems and optimal capacity design.
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