Chengdu Solar Irradiation: Annual Analysis & Insights
Solar Overview
Chengdu experiences approximately 1,095 hours of sunshine each year, with strongest solar gains in August. Positioned at 30.57°, Chengdu experiences mild seasonal fluctuations, with winter production typically 15-25% below summer peaks. The limited solar resource in Chengdu means installations should focus on maximizing efficiency and taking advantage of all available incentives.
Geographic Impact
Positioned at 30.5728° latitude and 104.0668° longitude, Chengdu's geographic coordinates shape its solar resource profile. The moderate latitude provides a good balance between summer and winter solar production, making fixed-tilt solar installations efficient throughout the year.
Rating Methodology
With 1,095 sun hours annually and 18.9°C average temperature, Chengdu achieves a "Poor" solar potential rating. This temperature range represents near-ideal operating conditions, maximizing panel efficiency and minimizing temperature-related concerns. Solar installations in Chengdu typically achieve capacity factors of 10-12%, requiring careful economic evaluation and optimal system design.
Understanding the Data
The chart displays monthly solar energy availability throughout the year in Chengdu. Solar energy production is relatively balanced throughout the year, with August receiving the most sun hours. Understanding this seasonal distribution is crucial for optimal system sizing and accurate financial projections.
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