Complete Solar Analysis: Hanoi, Vietnam
Solar Overview
Hanoi receives an average of 1,456 sun hours per year, with peak solar production during July. This near-equatorial location (21.03°) provides extremely consistent solar irradiation year-round, with minimal seasonal variation. While solar conditions are limited, Hanoi can still support solar installations, particularly with advanced technology and favorable incentives.
Geographic Impact
Located at 21.0285° latitude and 105.8542° longitude, Hanoi's geographical position significantly impacts its solar potential. At 21.03°, the near-equatorial location means the sun passes almost directly overhead year-round, creating ideal conditions for solar generation.
Rating Methodology
Hanoi receives a "Poor" rating for solar potential, derived from comprehensive analysis of 1,456 annual sun hours, 24.7°C average temperature, and geographic factors. Temperature conditions are optimal for photovoltaic efficiency, allowing panels to operate near their rated specifications. Hanoi's conditions enable systems to generate 900-1,100 kWh per installed kW annually, supporting partial energy independence.
Understanding the Data
The following chart shows how solar energy varies month-to-month in Hanoi. The chart reveals balanced solar availability throughout the year, with peak production during July. This distribution pattern helps inform decisions about fixed versus tracking systems and optimal capacity design.
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