Homesun is a China-based factory manufacturing solar panels, inventers, photovoltaic systems, batteries, solar panel street light and provides complete solution design and equipment supply. As a professional photovoltaic module manufacturer, the annual production capacity exceeds 1.2GW, and more than 2.7GW of solar modules have been sold in more than 110 countries.
600W TOPCon Solar Panel
A 600W TOPCon solar panel is built for projects that want high output per module without adding complexity to design, procurement, or installation. In many commercial and utility-style arrays, wattage per panel shapes everything that follows: the number of modules handled on site, string layout, racking density, cable runs, combiner sizing, and even transport costs. A 600W class module sits in a practical middle ground—strong power density for modern projects, while keeping balance-of-system decisions familiar for EPCs and installers.
TOPCon technology (Tunnel Oxide Passivated Contact) is chosen for a simple reason: it targets higher conversion performance and steadier output over time by improving the way current is collected at the cell level. In conventional cell designs, some energy is lost as charge carriers recombine before being captured. TOPCon reduces these losses through a passivated contact structure, which helps the cell convert more of the incoming light into usable electricity. For project owners, this shows up as better energy harvest across real operating conditions, not just nameplate figures.
700W HJT Solar Panel
A 700W HJT solar panel is positioned for buyers who are chasing high array output with fewer modules, fewer rows, and fewer electrical connections across a large site. In utility-scale projects and other space-intensive installations, the move to 700W class modules is often driven by a straightforward calculation: if each panel produces more, the total count drops for the same DC capacity, and that reduction can ripple through labor planning, logistics, and balance-of-system design. For many EPCs, it’s a way to keep the build efficient even as project sizes expand.
HJT stands for heterojunction technology, a cell architecture that combines crystalline silicon with thin layers that help manage charge carrier flow. The value proposition centers on conversion behavior and operating stability. HJT is often selected by developers who want dependable production across different temperatures and irradiance conditions, because the structure of the cell is designed to reduce recombination losses and support strong performance in real operation. This becomes particularly relevant in climates where arrays regularly run hot during peak sun hours, since temperature affects output and long-term material stress.
A 700W module is also a statement about land-use and site planning. High-wattage panels can reduce the module count per megawatt, which can influence tracker loading plans, pile counts, and the rhythm of installation. On very large ground-mount sites, reducing the number of modules can speed up repetitive tasks: mounting, clamping, connecting, and testing. Even small time savings per module add up quickly when you’re dealing with tens or hundreds of thousands of panels.