Renewable Energy Trends and Applications

An lecture on the current renewable energy trends and opportunities

1. Presented By TECHNOLOGIES ADVANCES IN RENEWABLE ENERGY Trends, Innovations, and Impact Erdee C. Cajurao

2. Objectives Identify major recent trends in renewable energy capacity and technology. Explore cutting-edge innovations in solar, wind, hydrogen, and storage. Evaluate the benefits, challenges, and policy enablers of renewable energy expansion. Purpose Understand the latest technological advances, deployment trends, and future potential of renewable energy. Learning Objectives Introduction &

3. 2024 saw 582 GW of new global renewable capacity— 19.8% higher than in 2023—the largest annual increase on record Solar PV dominated additions (452.1 GW; ~77.8%), followed by wind (114.3 GW) Capacity Growth Global (International Renewable Energy Agency, 2024)

4. In 2024, the Philippines added a record 794.34 MW of renewable energy capacity—surpassing installations from 2021–2023 combined. Annual additions were: 230.10 MW (2021) , 328.18 MW (2022) , 201.54 MW (2023) . - Philippine Context Recent Capacity Growth (Department of Energy, 2025)

5. 2023 renewable electricity growth hit a record 560 GW of new capacity; key drivers include REPowerEU , the U.S. Inflation Reduction Act (IRA) , and China’s 14th Five-Year Plan . The U.S. is ramping up clean energy adoption, including funding for offshore wind, geothermal, and siting programs to enhance grid resilience Policy Drivers Deployment Trends & (International Energy Agency, 2023)

6. Quantum dots integrated under bifacial panels could potentially double solar efficiency by capturing more reflected light. UbiQD and First Solar aim to scale this tech in the U.S. by 2026. – Quantum Dots Solar Innovations (The Wall Street Journal, 2025)

7. – Quantum Dots Solar Innovations

8. A Chinese prototype floating wind turbine delivers 17 MW , sufficient for ~6,300 U.S. households. Its large rotor and floating design enable deployment in deeper offshore waters – Floating Turbines Wind Advances (LiveScience, 2025)

9. – Floating Turbines Wind Advances

10. A novel “ evapolectricity ” device harvests electricity from evaporation-induced temperature gradients, using hydrogels and thermoelectric generators. Though currently modest (~0.1% efficiency), it holds promise for wearable or ambient moisture powering – Evapolectrics Emerging Technologies (Popular Mechanics, 2025)

11. – Evapolectrics Emerging Technologies

12. SBSP could supply up to 80% of Europe’s renewable energy by 2050 , cut system costs by 15%, and significantly reduce battery reliance—subject to future cost reductions and orbital safety measures – Space-Based Solar Power (SBSP) Large-Scale Innovation (The Guardian, 2025)

13. – Space-Based Solar Power (SBSP) Large-Scale Innovation

14. By mid-August 2025, Britain had already surpassed its 2024 solar output with 14.08 TWh , a 33% YoY increase, powered by a 20% rise in capacity and favorable weather – UK Renewable Surge Regional Progress (Financial Times, 2025)

15. Q2 2025 in the UK saw approval of 16.1 GW new renewable projects (+195% YoY), including 8.4 GW of battery storage applications—critical for grid stability – Renewables & Storage Expansion UK Approvals (The Guardian, 2025)

16. The goal is to reach 35% renewables by 2030, and 50% by 2040 . Projected installed capacities by 2030: ~15 GW of clean energy; forecasted annual RE generation: 69.4 TWh by 2035 . - Philippine Context Projections & National Targets (Department of Energy, 2025)

17. DOE issued Certificates of Energy Projects of National Significance (CEPNS) to 91 renewable projects , totaling 17.6 GW between May–Dec 2024—fast-tracking their development. Major deals include: Masdar’s 1 GW of solar, wind , and storage by 2030 ; Terra Solar’s massive 2.45 GW solar + 3.3 GWh battery project, operational by 2026. Regulatory Support Accelerated Projects & (Department of Energy, 2025)

18. India inaugurated its second green hydrogen plant in Gorakhpur , integrating hydrogen into gas networks to reduce carbon emissions. Highlights include water availability and future scalability Infrastructure Hydrogen and (India Times, 2025)

19. Innovations combining solar and wind on shared platforms boost yield and efficiency—especially in space-constrained urban areas. Hybrid systems (e.g., solar + wind in Minnesota) can lower annual costs by USD 150k and improve capacity factors. Smart Energy Systems Hybrid & (Vogue Business, 2025)

20. Top trends include advanced photovoltaics, big data and AI for predictive maintenance , and distributed energy storage systems . A 2024 survey highlights nine AI applications—such as forecasting, optimization , and smart-grid control—driving renewable energy integration. Smart Technologies Role of AI and (Rashid et al., 2024; StartUs Insights. 2025)

21. Renewal energy is expanding rapidly: record-capacity growth , technological breakthroughs , and region-specific accelerations . Innovations from quantum dots to floating wind turbines and AI-enabled systems are paving the way. Attractive economics , supportive policy , and strategic investment continue to be key enablers. Takeaways Summary &

22. IRENA. (2024). Renewable capacity statistics 2024 International Energy Agency. (2023). Energy system – renewables U.S. Department of Energy. (2025). A look ahead at clean energy in 2025 Financial Times. (2025, mid-August). British solar power surges past 2024 total Financial Times. (2025, Q2). UK green power surges with record approvals The Guardian. (2025, August). Solar panels in space could provide 80% of Europe’s renewable energy by 2050 Popular Mechanics. (2025). Scientists just pulled electricity out of thin air Live Science. (2025). China builds record-breaking floating wind turbine Vogue Business. (2025). Manufacturers leading climate action with renewables StartUs Insights. (2025). Top 10 renewable energy trends in 2025 Rashid, A., Biswas, P., Biswas, A., Nasim, M. D., Gupta, K. D., & George, R. (2024). Present and future of AI in renewable energy domain: A comprehensive survey. arXiv preprint arXiv:2406.16965. References

23. Department of Energy (DOE). (2025, February 11). PH installs record-high renewable energy capacity of 794 MW in 2024. Philippine News Agency. Philippine statistics on renewable energy and projections. (2024–2025). Power-Technology; GlobalData; pv-magazine; Manila Bulletin, etc. Geothermal potential and challenges: AP News (2024). References

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