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Solar energy is clean, renewable and emission-free

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Raman Bhatia, Founder and Managing Director, Servotech Power Systems, talks about their solar power systems that are tailored for the energy-intensive cement manufacturing sector while highlighting the challenges of location suitability, intermittency, infrastructure limitations and cost barriers

Which amongst your products can provide energy to the cement manufacturing process?
In recent times, solar energy has undoubtedly emerged as a powerful and eco-friendly source of electricity making it suitable for various industrial applications. The cement production sector,
known for its high energy demands from carbon-emitting sources, stands as an ideal sector for our groundbreaking solar solutions to create a significant transformative impact.
Our highly compatible On-Grid Solar System is engineered to meet the power demands of the cement manufacturing plant by tapping into the abundant and clean resource of solar energy, ultimately leading to reduced energy costs. This not only promotes sustainable manufacturing practices but also enhances cost-effectiveness. By harnessing the abundant solar energy, we offer sustainable and adaptable solutions that are propelling the cement production energy towards a more sustainable future.

Cement production is an energy-intensive. Can solar energy support the process and make it sustainable?
Absolutely! Cement manufacturing indeed requires a significant amount of energy, which comes from carbon-emitting sources. However, by integrating Servotech’s on-grid solar system, the cement manufacturing process can be supported with clean and renewable energy. This sustainable energy source not only reduces the carbon footprint but also lowers operational costs, making the entire process more environmentally friendly and economically viable.

Tell us about your process of supplying energy to cement plants.
Our highly efficient On-Grid Solar System is designed to provide solar energy to cement manufacturing plants seamlessly. The process begins with the installation of solar panels, which capture sunlight and convert it into electricity. The energy generated is then fed into the plant’s electrical grid. This solar-generated electricity effectively powers various operations within the cement manufacturing process, reducing the plant’s reliance on conventional energy sources and lowering its electricity costs.
This transition to solar energy not only makes cement production more sustainable but also contributes to reduced operational expenses, ultimately benefitting the environment and making the entire process cost-efficient.

How is the impact of using solar power as an energy source compared to carbon-emitting energy sources?
The environmental benefits of solar power are profound. Unlike traditional energy sources that rely on fossil fuels, solar energy is clean, renewable and emission-free. When integrated into the energy supply for cement plants, solar power significantly minimises the use of fossil fuels, which are finite resources and major contributors to greenhouse gas emissions.
By reducing reliance on carbon-emitting energy sources, solar power contributes to a cleaner and healthier environment. This transition to cleaner energy not only mitigates climate change but also enhances air quality, thereby creating a more sustainable and environmentally conscious future.

Which standards and compliances do you adhere to?
We place paramount importance on adhering to industry standards and regulatory compliance throughout the manufacturing and installation of our solar systems. During the manufacturing process, rigorous quality checks are conducted to ensure the efficiency, durability and optimal functioning of our products.
When it comes to the installation of our solar systems, we take meticulous care to ensure proper mounting and positioning, maximising their exposure to sunlight. Our manufacturing and installation procedures strictly adhere to the standards established by reputable organisations, including the National Electric Code, IEEE, BIS, ISO and IEC.
Furthermore, our solar products are MNRE-approved. By complying with these standards,
we ensure robust, sustainable, and safe solar power installations.

What are the major challenges that you face in the supply of renewable energy?
The supply of renewable energy faces several significant challenges. Finding a suitable location to facilitate installation is one of the major problems. Every area be it urban or rural comes with its own set of challenges, in this case, finding a location that supports smooth installation can get a little tricky.
Intermittency is a primary concern, as sources like wind and solar are weather-dependent, requiring energy storage solutions to ensure consistent availability. Infrastructural limitations of the grid hinder the efficient distribution of renewable energy from remote locations to urban areas. Additionally, the high
upfront costs of renewable technologies can deter investment. Regulatory and policy uncertainties also impact growth.
Finally, environmental concerns, such as land use and wildlife disruption, need careful consideration. Addressing these challenges requires advancements in energy storage, grid modernisation, supportive policies, and innovative solutions to ensure a reliable and sustainable renewable energy supply and Servotech is actively working towards surmounting these barriers, paving the way for a sustainable future powered by solar energy.

  • Kanika Mathur

Concrete

Ultra Concrete Age

Prof. A. S. Khanna (Retd., IIT Bombay) on how Ultra-high performance concrete (UHPC) improves strength, durability and lifecycle performance.

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The need of present time is stronger buildings, industrial or common utility buildings, such as Malls, Railway stations, hospitals, offices, bridges etc. For this, there is need of long durable, tough and stable concrete, which could stand under normal and seismic conditions. Tough railway bridges are required for bullet trains to pass without any damage. Railway tunnels, sea-links, coastal roads, bridges and multistorey buildings, are the need of the hour. The question comes, is the normal cement called OPC is sufficient to take care of such requirements or better combination of cements and sand mixtures is required?
Introduction
A good stable building structure can be made with a good quality of cement+sand+water system. Its quality can be enhanced by keeping the density of admixture higher (varies from 30 in normal buildings to bridges etc to 80). Further enhancement in the properties of various cements admixtures is made by adding several additives which give additional strength, waterproofing, flexibility etc. These are called construction chemicals…

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Concrete

NCB Signs MoU With Cement Manufacturer To Boost Construction Skills

Partnership to deliver nationwide training and certification

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The National Council for Cement and Building Materials (NCB) has signed a memorandum of understanding with a leading cement manufacturer to strengthen skill development and capacity building in the construction sector. The agreement was formalised at NCB premises in Ballabgarh and was signed by the Director General of NCB, Dr L. P. Singh, and the head of technical services at UltraTech Cement Limited, Er Rahul Goel. The collaboration seeks to bring institutional resources and industry expertise into a structured national training effort.

The partnership will deliver structured training and certification programmes across the country aimed at enhancing the capabilities of civil engineers, ready?mix concrete (RMC) professionals, contractors, construction workers and masons. Programme curricula will cover material quality testing, concrete mix proportioning, durability assessment and sustainable construction practices to support improved construction outcomes. Emphasis is to be placed on standardised assessment and certification to raise practice levels across diverse construction roles.

Practical learning elements will include workshops, site demonstrations, technical seminars and exposure visits to plants and RMC facilities to strengthen applied skills and on?site decision making. The Director General indicated confidence that a large number of professionals and workers would be trained over the next three to five years under the initiative. The partnership is designed to complement flagship government schemes such as the Skill India Mission and to align training outputs with national infrastructure priorities.

By combining the council’s technical mandate with industry experience, the initiative aims to develop a more skilled and quality?conscious workforce capable of meeting rising demand in infrastructure and housing. NCB will continue to coordinate programme delivery and quality assurance while industry partners provide practical exposure and technical inputs. The collaboration is expected to support long?term capacity building and more sustainable construction practices nationwide.

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Concrete

JSW Cement Commissions Nagaur Plant, Enters North India

New Rajasthan unit boosts capacity to 24.1 MTPA and expands reach

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JSW Cement has strengthened its national presence by commencing production at its greenfield integrated cement plant in Nagaur, Rajasthan, marking its entry into the north Indian market.
With this commissioning, the company’s installed grinding capacity has increased to 24.1 MTPA, while total clinker capacity, including its joint venture operations, stands at 9.74 MTPA.
The Nagaur facility comprises a 3.30 MTPA clinkerisation unit and a 2.50 MTPA cement grinding unit, with an additional 1.00 MTPA grinding capacity currently under development. Strategically located, the plant is positioned to serve high-growth markets across Rajasthan, Haryana, Punjab and the NCR.
The project has been funded through a mix of equity and long-term debt, with Rs 800 crore allocated from IPO proceeds towards part-financing the unit.
Parth Jindal, Managing Director, JSW Cement, stated that the commissioning marks a key milestone in the company’s ambition to become a pan-India player. He added that the project was completed within 21 months and positions the company to achieve its targeted capacity of 41.85 MTPA by FY29.
Nilesh Narwekar, CEO, JSW Cement, highlighted that the expansion aligns with the company’s strategy to tap into rapidly growing northern markets driven by infrastructure development. He noted that the company remains focused on delivering high-quality, eco-friendly cement solutions while progressing towards its long-term capacity goal of 60 MTPA.
The Nagaur plant has been designed with sustainability features, including co-processing of alternative fuels and a 7 km overland belt conveyor for limestone transport to reduce road emissions. The facility will also incorporate a 16 MW Waste Heat Recovery System to improve energy efficiency and lower its carbon footprint.
JSW Cement, part of the JSW Group, operates across the building materials value chain and currently has eight plants across India, along with a clinker unit in the UAE through its joint venture.

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