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Photovoltaics is one of the key technologies of the energy transition. The articles show how solar modules, inverters, and integrated systems are being further developed—from decentralized power generation to integration into complex energy structures.
PVT collectors for electricity and heat - Abora
Abora is a Spanish solar technology company founded in 2017 by Dr. Alejandro del Amo, an international expert in renewable energy. The company produces PVT collectors that have alr... PVT collectors - Abora
Photovoltaics has undergone significant development in recent years. In addition to efficiency improvements in solar cells, system integration and service life now play a key role. Modules are becoming more robust and powerful, while at the same time being better adapted to different operating conditions – from rooftop systems to large-scale ground-mounted solutions. New approaches are also emerging at the system level. Inverters are increasingly taking on additional functions such as grid support, monitoring, and control of connected consumers. This is transforming photovoltaics from a pure power generator to an active component of modern energy systems.
Photovoltaic systems are now used in almost all areas of power supply. In the private sector, the focus is often on self-sufficiency, while in commerce and industry, reducing energy costs and hedging against volatile electricity prices are becoming increasingly important. The design, dimensioning, and system architecture vary significantly depending on the application:
Photovoltaics is increasingly being viewed not in isolation, but as part of a networked overall system. In conjunction with energy storage systems, intelligent control systems, and digital platforms, solar power can be used specifically when it is needed. For experts and decision-makers, the most relevant question is how photovoltaics can be integrated into existing energy and infrastructure systems. Issues such as grid stability, scalability, and cost-effectiveness are coming to the fore. Photovoltaics is thus evolving from a standalone technology to a central element of modern, flexible energy supply.
A photovoltaic system on the roof of a residential building is now one of the established solutions for permanently reducing electricity costs and contributing to climate protection and the environment. The amount of electricity generated is expressed in kWh and depends on factors such as module area, orientation, and location. The higher the direct self-consumption, the greater the positive impact of the system on running costs. Surplus electricity from the PV system can be fed into the public grid. Depending on the date of commissioning, a feed-in tariff is paid for this. For operators, this results in a balanced ratio of own consumption and grid feed-in, which offers both economic and ecological advantages per euro invested.
A photovoltaic solution is particularly efficient when it is part of a holistic energy concept. In combination with a heat pump, the self-generated electricity can be used directly for heating and hot water production. This significantly increases the share of self-consumption while replacing fossil fuels. In conjunction with solar thermal energy, different forms of energy can be used separately in a meaningful way: electricity from photovoltaics for electrical consumers and heat pumps, thermal energy for hot water or heating support. This combination increases supply security and improves the overall balance of a building – both in terms of climate protection and long-term operating costs.
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