The year 2025 marked a significant turning point in the global energy landscape, as renewable sources finally surpassed coal, a century-old dominant force, to become the world's primary electricity provider. This shift, as reported by Ember, a renowned think tank, is not just a statistical anomaly but a structural transformation that has profound implications for our planet's future.
The Rise of Renewables
Solar and wind power have been the driving forces behind this energy revolution. In 2025, solar generation experienced a record-breaking year, increasing by a staggering 636 terawatt-hours (TWh). This growth alone exceeded the electricity generated by all liquid natural gas (LNG) exports through the Strait of Hormuz. Wind power, while not as dramatic, still saw a substantial increase of 205 TWh.
Coal's Decline
Coal, once the backbone of global electricity generation, has been in steady decline. For the first time in history, coal's share of global electricity generation fell below a third. This decline is not just a temporary blip but a long-term trend, with coal's share dropping from 38.7% in 2000 to 33.0% in 2025.
A Structural Shift
What makes this shift particularly fascinating is that it's not just a response to economic downturns or temporary crises. Previous declines in fossil fuel generation were often attributed to such events. However, the 2025 decline is a result of a deliberate and sustained push towards clean energy. This structural shift is a testament to the growing awareness and commitment to combat climate change.
The Impact on Emissions
The growth of renewable energy has had a direct impact on emissions. Despite a 2.8% increase in global electricity demand, power-sector emissions fell slightly in 2025. This decoupling of demand and emissions growth is a positive sign, indicating that we can meet our energy needs without sacrificing the health of our planet.
The Role of Storage
The expansion of renewable energy is also being supported by advancements in storage technologies. Falling battery prices are driving the rapid deployment of storage solutions, which are crucial for managing the intermittent nature of solar and wind power. In 2025, global battery storage capacity additions reached an impressive 247 gigawatt-hours (GWh), a 46% increase from the previous year.
A Global Effort
While renewables have overtaken coal in every region except Asia, the efforts of two major emitters on the continent, China and India, are notable. Both countries saw a decline in fossil fuel generation due to rapid clean-power deployment and moderate demand growth. This is a significant step forward in the global fight against climate change.
The Future Outlook
Looking ahead, the continued growth of clean power is expected to firmly push fossil fuel use in the power sector into decline. With the electrification of key sectors like transport and data centers, the demand for electricity will continue to rise. However, with the right policies and technological advancements, this demand can be met sustainably, further reducing our carbon footprint.
In conclusion, the year 2025 will be remembered as a pivotal moment in the energy transition. The structural shift towards clean energy is a beacon of hope, showing that a sustainable future is not just a possibility but a reality within our grasp. As we move forward, it's crucial to maintain this momentum and continue pushing for a greener, more sustainable world.
