Renewable energies: solar boom on German roofs

Status: 06/21/2022 12:28

At the beginning of the year, an additional third of solar energy was fed into the electricity grid. More than two million photovoltaic systems have already been installed on homes and properties.

More and more companies and individuals in Germany are using solar energy to generate electricity. According to the Federal Statistical Office, 2.2 million photovoltaic systems with a total rated power of 58,400 megawatts were installed on roofs and buildings in March. The number of systems increased by 10.1% compared to March of the previous year. Installed capacity increased by 9.7%.

With these photovoltaic systems, approximately 8.8 billion kilowatt hours of electricity from solar energy could be fed into the grid in the first quarter of this year, a good third more than in the same period last year.

On average 174 euros per household through the sale of electricity

Despite the significant increase in solar energy production, the share of photovoltaics in total energy production in Germany was 6.3% in the first three months. However, it should be borne in mind that much of the quarter was in the winter calendar with low insolation. In the first quarter of the previous year, solar energy still had a 4.7% share.

“For many private homes, solar energy is not only a source of energy, but also a source of income,” said the Federal Statistical Office. “The income of these households from the sale of electricity has recently averaged € 174 per month and therefore about the same as the previous year (€ 177).” Compared to 2014, however, they decreased by 39 percent.

Attractive self-consumption due to high prices

According to statisticians, one of the reasons is probably the reduction in the feed-in tariff for new photovoltaic systems under the Renewable Energy Sources Act (EEG). “Currently, the remuneration is less than seven cents per kilowatt hour.”

At the start of the subsidy some 20 years ago, solar system operators were receiving more than 50 cents per kilowatt hour, with electricity prices on the market significantly lower at the time. In view of electricity prices for end customers which sometimes exceed 40 cents per kilowatt hour, self-consumption rather than putting electricity into the grid is now considered more attractive to homeowners.

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