Complete Solar Analysis: Washington, D.C., United States
Solar Overview
Washington, D.C. experiences approximately 2,403 hours of sunshine each year, with strongest solar gains in June. Located at 38.91°, Washington, D.C. benefits from favorable solar geometry with limited seasonal production variation. These favorable conditions make Washington, D.C. a solid choice for solar energy systems, with reliable production and good financial returns.
Geographic Impact
Located at 38.9072° latitude and -77.0369° longitude, Washington, D.C.'s geographical position significantly impacts its solar potential. At 38.91°, solar panels experience consistently favorable geometry, making this latitude range particularly attractive for large-scale solar projects.
Rating Methodology
Washington, D.C. receives a "Good" rating for solar potential, derived from comprehensive analysis of 2,403 annual sun hours, 15.8°C average temperature, and geographic factors. Temperature conditions are optimal for photovoltaic efficiency, allowing panels to operate near their rated specifications. Washington, D.C.'s solar conditions support reliable energy production, with systems typically generating 1,200-1,400 kWh per installed kW yearly.
Understanding the Data
The following chart shows how solar energy varies month-to-month in Washington, D.C.. Solar energy production is relatively balanced throughout the year, with June receiving the most sun hours. Understanding this seasonal distribution is crucial for optimal system sizing and accurate financial projections.
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