A solar array is a collection of multiple solar panels or modules electrically connected together to generate increased power output for residential, commercial, or utility-scale applications. Arrays combine individual modules to meet specific energy production requirements, with sizes ranging from small 3-kilowatt residential systems to utility installations exceeding 100 megawatts.
Configuration and Design
Arrays are typically configured in series and parallel strings to optimize voltage and current output. A residential array of 25 panels (approximately 10 kilowatts) can offset 80-100% of household electricity consumption in favorable climates. Arrays require mounting structures, wiring, disconnects, and monitoring equipment to function as integrated systems. Proper spacing between rows prevents shading and maintains efficiency.
Performance Factors
Array output depends on sunlight intensity, temperature, panel orientation, and environmental conditions including dust and debris accumulation. Most residential arrays produce between 80-125% of rated capacity under ideal conditions. Professional design accounts for seasonal variations, local weather patterns, and roof shade analysis to maximize annual energy production and return on investment.