In Q3 2025, the residential segment installed 1,088 MWdc of solar capacity, declining 4% year-over-year and quarter-over-quarter. Despite an industry rush to bring projects online this year to
Installed solar energy capacity Cumulative installed solar capacity, measured in gigawatts (GW).
Definition: The capacity factor represents the expected annual average energy production divided by the annual energy production assuming the plant operates at rated capacity for every hour of the year.
PV capacity is defined as the maximum direct current (DC) output of a photovoltaic (PV) system, characterized in watts peak (Wp) under standard test conditions, specifically at a solar radiation of
In the first six months of 2025, the world added 380 GW of new solar capacity — 64% higher than during the same period in 2024, when 232 GW were installed. In 2024, it took until
Developers added 12 gigawatts (GW) of new utility-scale solar electric generating capacity in the United States during the first half of 2025, and they plan to add another 21 GW in the
Over 451 GW of new solar PV capacity was added in 2024 alone, representing the largest addition of any renewable energy source and accounted for over three-quarters of all renewable capacity
Solar energy can be harnessed two primary ways: photovoltaics (PVs) are semiconductors that generate electricity directly from sunlight, while solar thermal technologies use sunlight to heat water for
PEES Power Systems is a leading provider of advanced energy solutions in South Africa and Africa. We specialize in microgrid systems, solar photovoltaic (PV) power generation, BESS (battery energy storage systems), grid‑tied / hybrid / off‑grid inverters, PCS power conversion systems, EMS energy management systems, BMS battery management systems, lithium‑ion & LiFePO4 batteries, and modular energy storage systems. Our portfolio also includes energy storage containers, energy storage cabinets, containerised power stations, off‑grid power supply systems, backup emergency power, clean energy solutions, new energy storage systems, and green power systems. We offer battery cabinets with integrated BMS, outdoor all‑in‑one storage cabinets, commercial & industrial storage, communication battery cabinets, server racks, and transformer capacity expansion services. Whether you need a small off‑grid system or a zero‑carbon factory solution, our products deliver reliability and performance.
Our modular energy storage solutions range from 20ft/40ft mobile containers to outdoor all‑in‑one energy storage cabinets. We are a leading manufacturer of battery cabinets with BMS, offering communication battery cabinets for telecom, server racks for data centers, and energy storage battery BMS systems. We utilize lithium‑ion energy storage batteries and LiFePO4 batteries for optimal safety and lifecycle. Our stackable design allows flexible capacity expansion, while our grid‑forming technology ensures stable microgrid operation. Whether for distributed PV systems, off‑grid power supply, backup emergency power, or large zero‑carbon parks, our products feature advanced thermal management, PCS and EMS integration, and compliance with South African and international standards. We also provide professional energy storage system installation and after‑sales support, and we help clients navigate energy storage subsidies where applicable.