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Solar and storage tenders remain a small segment of overall auction volumes

SolarPower Europe calls for stronger auctions and PPAs to drive electrification

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Public auctions and corporate PPAs delivered 92 GW of solar capacity in the EU between the 2022 energy crisis and 2025. Now, the Brussels-based trade body is urging stronger use of these tools to reduce reliance on fossil fuel imports.

PV-powered desalination plant supports water independence on Kimolos

Greece – decarbonisation fund to drive €4.4 billion in investment

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The Island Decarbonisation Fund is due to launch in the coming months, with European Investment Bank approval of the investment plan by June clearing the way for first project financing.

Metlen draws steady visitor traffic at KEY 2026 in Rimini

Greek energy group Metlen: “Italy is a core market for us”

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With a 3 GW pipeline of solar and battery projects, Metlen is strengthening its position in Italy through new storage projects, tolling agreements and partnerships with industrial energy consumers.

Scaling by design – institutional backing aligns with growing utility-scale deployment

R.Power lands €25 million equity boost from EBRD and 3SIIF

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Warsaw-based developer R.Power has secured a €25 million capital increase to support expansion of its renewable energy portfolio across European markets, as it advances a 32 GW pipeline across six countries.

Nancy Yell explains why less weight means more possibilities

Sunman Energy – lightweight modules deliver up to 520 watts

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PV on Tour – Sunman Energy presents its ultra-lightweight, semi-flexible solar modules, designed for lightweight roofs and balcony PV systems, and achieving up to 520 watts. Managing Director Nancy Yell lays out the advantages of the technology.

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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)