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Live Stream

On June 23 - 24, 2026 the editors of photovoltaik and pv Europe will be reporting live from the exhibition halls in Munich. At The smarter E Europe, we will showcase the most important innovations and highlight the trends for 2026. Our live streaming in both German and English will kick off at 1 pm CEST.
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Latest news

At the Intersolar Forum, attention turns to how everything fits together

Intersolar Forum 2026: integration and sector coupling in focus

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From 23 to 25 June, sessions examine how solar combines with storage and other technologies, focusing on integration strategies, grid stability, sector coupling and emerging applications across a renewable electricity system.

The 2025 Global Solar Car Race champion on display alongside the INFINITE ULTRA

Intersolar – AIKO raises the bar with 4th-generation ABC

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The new INFINITE ULTRA module reaches 25.6% efficiency and 690W output, continuing a four-year development arc that has made BC technology a mainstream option in both residential and utility solar.

Commercial storage opens new trading options while reducing electricity costs

Solar Investors Guide #7 – Commercial storage systems

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Energy costs shape competitiveness in both global and local markets. As fossil and nuclear prices continue to rise, solar and wind are no longer marginal technologies but increasingly represent the smart money in power generation.

Representatives of the EIB and Ingeteam signing the loan agreement

EIB backs Ingeteam with €75 million for renewables R&D

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Spain's Ingeteam will use the European Investment Bank funding to advance grid integration, power electronics and energy storage, with the work partly aimed at reducing dependence on non-European suppliers.

Product Manager Sebastian Geier outlines the latest innovations from IBC Solar.

IBC Solar – unlocking surfaces for rooftops and beyond

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PV Guided Tours: Industry and commerce are aiming to use every possible surface for solar power – from roofs to façades and car parks. IBC Solar is responding with streamlined, easy-to-adapt mounting systems. Product Manager Sebastian Geier presents the latest solutions.

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What is photovoltaics?

Photovoltaics (PV) refers to the generation of electrical energy from sunlight. At the heart of this process are the solar-active semiconductors known as solar cells, which capture sunlight and convert it directly into electricity.

From a technical standpoint, a PV system or solar installation functions as a generator. Here, individual solar cells are combined into a solar module, which is protected from the elements. These modules are then assembled into a larger solar generator, which can be mounted on rooftopsfaçadesopen ground or specially designed structures. The electricity generated is direct current (DC), which is converted into alternating current (AC) by an inverter. This AC power can be used directly on site or fed into the public grid via the building’s connection. The electricity is typically supplied to the local utility or grid operator.

Larger PV systems installed on open land are often called solar parks. These feed power into the grid via dedicated transformers and switchgear. In many countries special Acts and regulations govern remuneration for solar power, whether via feed-in tariffs or market premiums for direct sales to third parties.

Self-consumption can be increased by using solar power for heating waterroom heating, air conditioning or refrigeration. Battery storage systems help by storing surplus solar electricity for later use. These so-called solar batteries improve system reliability, especially when solar output dips.

Not all incoming sunlight is converted into electricity. The conversion rate depends on the intensity and wavelength of the incoming light spectrum. This ratio between usable electrical output and the maximum available solar radiation is known as efficiency.

The performance of a solar generator or storage system is defined by its output. When multiplied by the number of sunshine hours, this gives the solar yield – the amount of electricity generated per day, month or year. In addition to charging and discharging power, solar batteries are also rated by their capacity, or the amount of energy they can store. Power is measured in kilowatts (kW) or megawatts (MW), while energy and yield are expressed in kilowatt-hours (kWh) or megawatt-hours (MWh). (HS)