From ‘crazy vision’ to 698 GW: How a bold solar forecast became too conservative
In 2012, our “300 GW/a PV initiative” set out a vision of a very ambitious annual global PV market by 2025. At the time, many dismissed the target as “crazy.” Instead, reality has gone far beyond that ambition: according to the latest figures from the IEA PVPS, the world installed 698 GW of new PV capacity in 2025, which is more than double our original vision.
When we launched the “300 GW/a PV initiative” in September 2012—calling for 300 GW of annual global PV installations by 2025 and 200 GW of cumulative installed capacity in Germany—the global market was adding just 27 GW to 30 GW per year. The objective was intended to inspire and motivate the industry.
The outcome exceeded even those ambitions. The industry did not merely reach 300 GW of annual installations; it surpassed that milestone spectacularly, ending 2025 with 698 gigawatts of newly installed photovoltaic capacity.
Global installed PV capacity now stands at almost 3 TW. While it took nearly 40 years to reach the first terawatt, total capacity has tripled within just three years.
Germany has now reached 126 GW of installed PV capacity—almost 2.5 times the former 52 GW cap that remained in force until the summer of 2020. When that cap was introduced in 2012, Germany’s cumulative capacity stood at just 34 GW.
At that time, photovoltaics supplied around 4.5% of Germany’s electricity generation. By 2025, that share has risen to 16% to 16.9%. Nearly 6 million PV systems are now registered across the country. Of these, more than 1.3 million are balcony or plug-in solar systems—a market segment that was effectively nonexistent and unmeasured in 2012.
PV has become firmly embedded in German society. More than 15% of all households now actively generate electricity from the sun.
Germany alone installed more new PV capacity in 2025 than the entire European Union did in 2012. Yet the EU still falls far short of its financial and technical potential for annual PV deployment.
Today, new solar and wind projects can increasingly be developed without subsidies or special advantages. By contrast, new gas-fired power plants—and the few remaining nuclear projects—continue to depend on substantial public support and long-term policy privileges.
The year 2025 also marks another significant milestone. Thanks to the massive expansion of PV—equivalent to approximately 1.4 billion solar modules and generating electricity comparable to around 150 large nuclear power plants—global fossil fuel consumption for electricity generation declined for the first time despite overall growth in energy demand.
This represents a monumental achievement.
Read the full article at pv-magazine-com
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