RENEWCONNECT - All about renewables & power sector

Green hydrogen is emerging as a cornerstone of the global transition to clean energy. Here's a comprehensive overview covering its technical foundations, commercial applications, advantages, limitations, and future prospects: 🌱 What Is Green Hydrogen? Green hydrogen is hydrogen produced through the electrolysis of water using electricity generated from renewable sources like solar, wind, or hydropower. Unlike grey or blue hydrogen, green hydrogen does not emit CO₂ during production, making it a truly clean energy carrier. 🔬 Technical Overview Electrolysis Process: Water (H₂O) is split into hydrogen (H₂) and oxygen (O₂) using an electrolyzer powered by renewable electricity. Types of Electrolyzers: Alkaline Electrolyzers: Mature and cost-effective. PEM (Proton Exchange Membrane): High efficiency, suitable for variable renewable energy. SOEC (Solid Oxide Electrolyzers): High-tem...

Green hydrogen, produced by splitting water into hydrogen and oxygen using renewable energy, is gaining significant attention as a sustainable fuel alternative. It is celebrated for its potential to decarbonize hard-to-abate sectors, promote energy independence, and enable a cleaner energy future. Let’s explore its potential as the fuel of the future. Key Advantages of Green Hydrogen Carbon-Free Energy Source Unlike hydrogen derived from fossil fuels (grey and blue hydrogen), green hydrogen produces no greenhouse gas emissions during production or combustion. This makes it a truly sustainable energy source. Versatility Hydrogen is highly versatile and can be used across multiple sectors, including transportation, power generation, and industrial processes like steel and ammonia production. Storage and Transportation Green hydrogen can store excess renewable energy (e.g., solar and wind) for long periods, acting as a backup during low production periods. It can also be transported via p...

India's National Green Hydrogen Mission aims to position the country as a global hub for the production, utilization, and export of green hydrogen and its derivatives, contributing to energy self-reliance and the global clean energy transition. Source:  Ministry of New and Renewable Energy Key Objectives: Production Capacity: Achieve at least 5 million metric tonnes (MMT) of green hydrogen production per annum by 2030.  International Energy Agency Renewable Energy Expansion: Add approximately 125 GW of renewable energy capacity by 2030 to support green hydrogen production.  International Energy Agency Emissions Reduction: Reduce nearly 50 MMT of annual greenhouse gas emissions by 2030.  International Energy Agency Strategic Interventions for Green Hydrogen Transition (SIGHT): The mission proposes two financial incentive mechanisms with an outlay of ₹17,490 crore up to 2029-30: Electrolyser Manufacturing Incentives: Support domestic manufacturing of electrolysers,...

The Future Scope of Hydrogen Fuel: A Path to Sustainable Energy In the global quest for clean and sustainable energy, hydrogen fuel has emerged as a promising solution. From powering automobiles to fueling rocket propulsion systems, hydrogen’s versatility makes it an attractive option. However, the journey to a hydrogen-powered future is not without challenges, particularly in terms of cost and production methods. The integration of renewable energy into hydrogen production holds the key to making it both economical and sustainable. This article explores the potential of hydrogen fuel, the challenges it faces, and how renewable energy integration could shape its future. 1. The Unique Promise of Hydrogen Fuel Hydrogen, the most abundant element in the universe, offers a powerful, clean alternative to conventional fossil fuels. When used as a fuel, hydrogen undergoes a chemical reaction that produces energy, with water vapor as the only by-product. This process can significantly reduce g...

Some of key concerns about the transition from fossil fuel vehicles to electric and hydrogen vehicles are very relevant. The shift towards cleaner transportation is essential for addressing climate change, reducing pollution, and curbing carbon emissions. However, the question of what happens to existing petrol and diesel vehicles is significant. Let's explore your queries in detail: 1. Condition of Old Petrol and Diesel Vehicles on Roads Continued Usage: Old petrol and diesel vehicles will likely continue to be used until they reach the end of their life cycle. However, governments may introduce stricter emission norms and encourage phasing out older, more polluting vehicles. Resale and Export: These vehicles might find a second life in countries with less stringent environmental regulations, although this would only shift the pollution problem rather than solving it. 2. Best Possibilities for Using Fossil Fuel Vehicles in a Sustainable Manner Retrofitting: Converting existing ...