Closed circuits for energy efficiency
Iron and steel production is a cornerstone of industrial economies worldwide. However it has significant energy demands and environmental impacts. To address these challenges, many plants are increasingly turning to renewable energy sources as a means to enhance sustainability and operational efficiency. This involves the concept of closed circuits in iron and steel plants with the integration of captive renewable energy systems.
Captive renewable energy refers to energy generated onsite or in close proximity to the industrial facility, often through renewable sources such as solar, wind, or biomass. Integrating these sources into iron and steel plants offers several advantages, including reduced reliance on conventional energy sources, cost savings, and mitigating environmental footprint. The integration of captive renewable energy systems represents a crucial step towards achieving energy efficiency and sustainability in iron and steel plants. As the global demand for steel continues to rise, these initiatives will play a pivotal role in shaping the industry's energy landscape.
Examples of existing closed circuit plants:
- Tata Steel, India: Tata Steel in India has implemented a 3 MW solar photovoltaic (PV) power plant at its Noamundi iron ore mine, Jharkhand to supplement its energy needs.[1][2] This installation not only reduces carbon emissions but also contributes to its energy self-sufficiency. In 2021, Tata Steel in collaboration with Tata Power announced its plan to develop 41MW solar photovoltaic capacities for Tata Steel Jamshedpur, Jharkhand and Tata Steel Kalinganagar, Odisha. This would be a combination of rooftop, floating and ground mounted solar panels.[3][4] By September 2023, a total of 20.34 MW of solar power projects were commissioned at the Jamshedpur plant, including a 10.8 MW capacity floating solar power plant on the upper cooling pond of the plant.[5]
- POSCO, South Korea: POSCO, one of South Korea's largest steelmakers, has invested in wind power generation to offset its energy consumption. By harnessing wind energy, POSCO enhances its energy security and reduces operational costs over the long term. POSCO aims to supply electricity generated from the offshore wind farm to Pohang Steel works.[6]
Benefits of Captive Renewable Energy
- Energy Cost Savings: By producing their own renewable energy, iron and steel plants can hedge against fluctuating energy prices and reduce operational costs.
- Environmental Impact: Captive renewable energy systems significantly reduce carbon footprints and other environmental impacts associated with traditional energy generation.
- Energy Security: Diversifying energy sources improves resilience against energy supply disruptions and enhances long-term energy security.
Challenges and Considerations
While the benefits of captive renewable energy are substantial, there are challenges such as initial capital investment, intermittency of renewable sources, and regulatory hurdles. Overcoming these challenges requires strategic planning, technological innovation, and supportive policies.
References
- ↑ "3 MW Solar Power Plant – Noamundi, Jharkhand – Tata Power Solar". www.tatapowersolar.com. Retrieved 2024-07-08.
- ↑ Services, Hungama Digital. "Tata Steel commissions its 1st 3 MW Solar Power Plant at Noamundi". www.tatasteel.com. Retrieved 2024-07-08.
- ↑ Livemint (2021-10-29). "Tata Steel, Tata Power to set up 41MW solar projects in Jharkhand, Odisha". mint. Retrieved 2024-07-08.
- ↑ Services, Hungama Digital. "Tata Steel collaborates with Tata Power to set up 41MW grid connected solar projects in Jharkhand and Odisha". www.tatasteel.com. Retrieved 2024-07-08.
- ↑ Standard, Business (2023-09-29). "Tata Steel commissions floating solar power project in Jamshedpur works". www.business-standard.com. Retrieved 2024-07-08.
{{cite web}}:|first=has generic name (help) - ↑ Global, K. E. D. "POSCO Int'l, CIP tie up for Korean offshore wind project". KED Global. Retrieved 2024-07-08.
