Blogs

PV systems are mainly divided into grid-connected and off-grid types. Grid-connected systems, the mainstream, feature "self-consumption with surplus power fed into the grid", are cost-effective and suitable for grid-covered urban and industrial areas. Off-grid systems are grid-independent, need energy storage, suit remote gridless areas but have higher costs. The two modes have no superiority; the key is to match users' needs, grid conditions and budget, and both are optimized with technology under the "dual carbon" goal. Read More

Installing a photovoltaic (PV) system is an effective way for factories to reduce costs and improve efficiency, but it also requires professional engineering decisions. Many enterprises only focus on electricity savings and investment recovery period, ignoring key details, which leads to reduced returns, safety hazards or disputes. This article summarizes 8 common pitfalls in factory PV installation, including blind project launch without checking roof conditions, overemphasizing unit price while neglecting quality, signing contracts without understanding trap clauses, ignoring grid connection and filing, inadequate safety protection, unreasonable design, neglecting operation and maintenance, and choosing unqualified service providers. For each pitfall, it clarifies the potential consequences and corresponding avoidance suggestions, helping factories avoid mistakes and achieve safe, stable and cost-effective long-term returns from PV systems. Read More

Amid China’s "dual carbon" goals and rural revitalization, PV factories have become more than industrial bases—they drive local economies and improve people’s livelihoods by providing stable local jobs, increasing residents’ income through multiple channels, enhancing energy supply (especially in remote areas), and boosting county-level economies. These factories deliver tangible benefits, empower rural revitalization, and contribute to green development and common prosperity. Read More

Electricity costs are a major fixed expense for factories, especially high-energy-consuming ones. With mature PV technology and lower costs, more factories installed PV stations in 2026 to cut costs and gain profits, and this article provides practical 2026-based calculations. PV cost savings depend on power generation and factory electricity costs (peak-valley tariffs, self-consumption rate). Key premises: distributed PV (100kW-10MW), 2026 N-type modules (≥23% efficiency), regional full-load hours and tiered industrial tariffs. It provides power generation formulas; a 100kW station generates 104,000 kWh (East China) and 144,000 kWh (Northwest). Scenario calculations show 100kW, 1MW and 5MW factories save ~78k, 613k and 4.76M yuan annually (1MW payback 4-5 years). A real plastic factory saves 300k yuan yearly. Key reminders: self-consumption rate, cost-effective color steel roofs and good O&M. 2026 PV has a 4-6 year payback, bringing long-term benefits for all factory scales. Read More

As solar power adoption accelerates worldwide, homeowners and businesses are asking a critical question: how long does a solar battery last? Understanding the lifespan of a solar battery is essential for calculating return on investment, planning maintenance, and ensuring reliable backup power. Read More

As renewable energy adoption accelerates worldwide, homeowners and businesses are increasingly asking: how does solar battery storage work? Understanding how a solar battery functions is essential if you want to maximize self-consumption, reduce electricity bills, and improve energy independence. Read More