How AI Forecasting Will Turn Renewables into the World’s Dominant Energy Source

IEA forecasts indicate that renewables will become the world’s leading electricity source by 2026, surpassing coal.

IEA 2026 Projections

The International Energy Agency forecasts that renewables will account for 36% of global electricity generation by 2026, with solar and wind growing by around 20% annually through 2030.

Global renewable capacity is expected to expand by 4,600 GW by the end of the decade, driven 80% by solar photovoltaics, despite downward revisions linked to geopolitical factors.

BloombergNEF’s updated Economic Transition Scenario (ETS) in the New Energy Outlook 2025 reinforces this outlook: renewable generation is projected to grow by 84% by 2030, covering 67% of global electricity demand by 2050, fueled by the rapid expansion of data centers and electric mobility.

 Challenges in Global Grid Management

The variability of wind and solar introduces unpredictability, destabilizing power grids and increasing imbalance costs. Globally, these costs are expected to rise from €7B in 2025 to €18B by 2030.

Integrating this intermittent generation with AI-intensive electricity demand requires forecasting capabilities that go beyond traditional modeling approaches.

 The Role of Renewcast in AI Forecasting

Renewcast transforms renewable uncertainty into measurable profits through AI-native digital twins for wind and solar assets.

We currently manage 8.5 GW of installed capacity across 8 commercial clients in the EU, with expansion underway toward the United States.

Our forecasting services include:

• Day-ahead forecasting
  
  
• Intra-day forecasting (updates every 15 minutes)
  
  
• Mid-term forecasts up to 15 days
  
  

Our models outperform market benchmarks by 7–25%, helping reduce imbalance costs by 25–38%.

The process integrates real-time big data ingestion, data cleansing and enrichment, hybrid physical-ML modeling, dynamic retraining, and customized API/UI delivery.

References

IEA scales back renewable energy forecasts to 2030.

2026 Renewable Energy Outlook: A Potentially Quieter Year.

Renewable Energy Output Projected to Rise 84% Within 5 Years.

Power Generation from Renewables Set to Jump 84% in next five years.

IEA: Renewables will be world's top power source 'by 2026'.

Renewables growth to be driven by shifting priorities.