German Solar Power Capacity Set to Reach 100 GW by Year-End 2024

Germany is witnessing a significant surge in solar energy adoption, with expectations that the country’s solar power capacity will hit 100 gigawatts (GW) by the end of 2024. Between January and August 2024, approximately 10.2 GW of new photovoltaic (PV) installations have been integrated into the national grid. This data, analyzed by the International Economic Forum for Renewable Energies (IWR) from the Federal Network Agency's (BNetzA) Market Master Data Register, shows that Germany currently has about 4.5 million solar installations, totaling around 93.2 GW of capacity. Remarkably, this achievement surpasses the federal government's solar expansion target for the year.

Anticipating Growth in Solar Capacity

Norbert Allnoch, Head of IWR, states, “If this trend continues, we could see over a million new solar installations with a combined capacity exceeding 15,000 MW, similar to last year's figures.” He highlights that, given the strong momentum observed this year, reaching 100 GW of photovoltaic capacity seems highly feasible. This positive outlook is consistent with IWR forecasts and indicates that the government’s target of 88 GW, outlined in the Renewable Energy Expansion Path (§ 4 EEG 2023), will likely be exceeded ahead of schedule.

Allnoch also notes that while Germany’s annual solar capacity increase of about 15,000 MW is impressive, it is modest compared to China's rapid growth. In the first seven months of 2024, China commissioned an astonishing 123,500 MW of new solar installations, projecting an annual increase of around 250,000 MW. For context, Germany’s cumulative solar capacity of approximately 93,200 MW took three decades to achieve.

The Role of Renewable Energy in Power Generation

IWR’s 2024 forecast remains steady, anticipating an additional 15 to 20 GW of new on-grid wind and solar power, supported by new offshore wind developments. The electricity generated by domestic wind and solar installations in 2024 is projected to reach around 20 billion kWh. To illustrate, this amount of energy is equivalent to the output of at least two large nuclear power plants, each requiring a construction timeline of a decade or more. Unlike solar power, nuclear plants can provide continuous energy, underscoring the importance of energy storage solutions to maximize solar energy usage during nighttime.

The insights from BNetzA's Market Master Data Register are current as of September 5, 2024. While potential revisions and updates to the plant register may occur, these are unlikely to significantly affect overall trends. Currently, the Federal Network Agency has not released data for August 2024, with available records extending only to July 2024.

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