California’s shift from NEM 2.0 to NEM 3.0 in April 2023 was the most significant change to residential solar economics in the US market in over a decade. Under NEM 2.0, California solar owners received credits close to the retail electricity rate for excess solar exported to the grid — typically 25–32¢/kWh. Under NEM 3.0, Read more »
Solar panel dimensions matter for roof planning and space budgeting, whether you’re going residential or portable. Standard residential solar panels measure about 65×39 inches (66-cell) and weigh 40-50 lbs, while commercial panels run larger at 78×39 inches. Standard Panel Dimensions by Format Format Typical Dimensions Typical Wattage 60-cell residential 65 x 39 in 300-350W 66-cell Read more »
The solar industry offers diverse career paths beyond installation, from design and sales to engineering and skilled trades, supported by strong industry growth. Solar installer, designer, and sales roles offer accessible entry points, with NABCEP certification opening doors to higher-paying positions. Solar Career Paths Career Path Typical Requirements Salary Range Solar installer On-the-job training, NABCEP Read more »
Your electricity bill changes significantly once solar is added, showing new line items for production offsets and net metering credits that can be confusing at first. Understanding the key sections — energy delivered vs. received, net metering credits, and true-up periods — helps you verify your system is performing as expected. Key Sections on a Read more »
Solar panels degrade gradually, losing approximately 0.5-0.8% efficiency annually, but maintain 80-85% of original output capacity after 25-30 years. Eventually, though, panels reach end-of-life and must be retired. What happens next determines whether your panels become valuable recycled material or toxic waste buried in landfills. The answer depends on panel condition, available recycling infrastructure, and Read more »
Behind-the-meter (BTM) solar describes systems installed on the customer’s side of the utility meter, directly offsetting consumption before any grid interaction — the standard configuration for virtually all residential solar. Behind-the-meter solar offsets your own consumption first, sending only excess production through the meter to the grid. Behind-the-Meter vs. Front-of-Meter Solar Type Location Typical Use Read more »
Roof load is one of the first questions homeowners ask before going solar. Standard residential solar panels weigh 40-50 lbs each, adding roughly 3-4 lbs per square foot of roof load once racking is included — well within typical structural capacity. Panel Weight by Type Panel Type Typical Weight Standard 60-72 cell residential 40-50 lbs Read more »
Getting the most out of an existing solar system doesn’t always require new equipment — several low-cost habits and checks can meaningfully improve output. Regular cleaning, shade management, proper tilt, and active monitoring are the most effective ways to increase solar panel efficiency without a major upgrade. Keep Panels Clean Dust, pollen, bird droppings, and Read more »
Most solar panels are rectangular — but that’s not the whole picture. The shape of a solar panel is determined by the shape of its constituent solar cells, the arrangement of those cells, and the application the panel is designed for. Standard residential and commercial panels use a conventional rectangular layout, while specialty products for Read more »
A 200Ah battery is a popular mid-to-large capacity choice for off-grid solar, RV, and marine applications, offering substantial power storage without the size of a full home battery bank. A 200Ah 12V LiFePO4 battery stores roughly 2,560Wh of usable energy, enough to power moderate loads for a full day or more. 200Ah Solar Battery Specifications Read more »
