A surging supply of cost-effective renewables is accelerating the decline of fossil fuel dominance around the world, according to the International Energy Agency (IEA). Over 90% of newly commissioned renewable energy projects are now cheaper than fossil fuel alternatives, with dramatic cost reductions witnessed in solar, wind, and batteries since 2010—up to 90%, 70%, and 93% respectively. These market shifts are heralding an irreversible energy transition, making clean power generation the intelligent financial and environmental choice.

In 2024, solar PV costs averaged 41% below the lowest-cost fossil options, and onshore wind came in at 53% cheaper, providing substantial incentives for utilities, governments, and businesses to pivot away from oil, coal, and gas. This global price advantage is also improving energy security and insulating countries from the volatility of international fuel markets—a trend reflected in Britain's own renewables expansion, where Atlantic Renewables engineers contribute solar PV and battery installations to help local businesses and homes cut energy costs.

Renewable Energy Statistics Supply Boom Trends

2024 and 2025 were historic years for renewables, with global additions of 582 GW in renewable capacity—enough to prevent up to $467 billion in fossil fuel-associated costs and emissions. The IEA expects clean energy use to surge further, projecting that by 2035, global solar capacity will be up 344% and wind up 178% from present levels. Solar power alone accounted for 83% of the increase in global electricity demand in early 2025, positioning it as the world’s leading source of new electricity for the third consecutive year.

As a result, renewable energy has now overtaken coal as the world’s largest source of electricity, marking a definitive shift in power generation trends. These figures demonstrate how cost reductions, technological advancement, and supportive policies are combining to underwrite a new age of sustainable electricity.

Regional Trends and Geopolitical Challenges

China and India are leading the supply boom, responsible for much of the world’s new solar and wind deployments, and recording first-ever declines in fossil fuel generation despite rising electricity demand. Africa and Pakistan have doubled their solar panel imports within a year, now powering millions of homes through renewables. However, developed markets like the US and parts of the EU saw fossil fuel consumption increase slightly in response to lagging clean energy deployment and below-average wind yields.

Short-term challenges persist, including geopolitical instability, trade disputes, and raw material bottlenecks, which can temporarily slow progress or raise costs. These factors emphasise the need for robust policy frameworks and international cooperation, ensuring supply chain resilience and market certainty as renewables scale.

How Battery Storage and Technological Advances Power the Transition

The decline in battery energy storage costs—down 93% since 2010—enables the seamless integration of renewables into national grids, addressing intermittency concerns and moving the world closer to round-the-clock clean power. Innovations in grid management, digital platforms, and power electronics further enhance performance, making the environmental and economic arguments for renewables stronger than ever.

Homes and businesses in the UK now benefit from advanced solar PV and battery storage options installed by Atlantic Renewables’ experts, optimising return on investment and supporting local clean energy goals.

The IEA’s Outlook: Why the Fossil Fuel Era Is Ending

The IEA’s latest outlook foresees fossil fuel demand peaking before 2030 and entering a permanent decline, displaced by cheaper renewables and electrification. Coal use is expected to plateau and then contract, with oil and gas demand flattening or falling in response to expanding renewable fleets, efficiency gains, and policy support. By the early 2040s, renewables are expected to surpass oil to become the world’s largest energy source—not only for electricity but for total energy use.

These forecasts highlight the momentum of clean energy markets and emphasise the scale of transformation, signaling the closing chapter for fossil-fuel-driven growth.

Impact for UK Homes Industry and Installers

For UK homeowners and businesses, this global shift unlocks direct benefits: cheaper energy, greater price stability, and reduced emissions. The rapid decline in costs makes solar PV and battery storage more accessible than ever. Demand for professional installation by reputable local teams, such as Atlantic Renewables, continues to rise.

The Critical Role of Policy and Investment

Maintaining momentum in the renewable boom requires supportive policy, international collaboration, and directed finance. Barriers in advanced economies—permitting challenges, grid constraints, and financing gaps—must be overcome for widespread adoption. The transition is irreversible, but its pace and equity will be shaped by current choices.

How to Join the Clean Energy Revolution Get In Touch

Atlantic Renewables empowers homes and businesses to harness the advantages of cheaper renewable energy. If you want to install solar PV or battery storage, or need maintenance for your existing system, contact our experts for tailored solutions. Call 0161 207 4044 to start saving and contributing to a sustainable future.

Ready to lower your bills and future-proof your energy supply? Our engineers are standing by to offer advice and spark your clean energy journey!