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Case Studies


SunCarrier Omega Net-Zero Energy Building
(Published in Southeast Asia Building, May-June 2012)
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The SunCarrier Omega Net Zero Energy Building (NZEB), located in the central part of India, in the city of Bhopal, the capital of Madhya Pradesh, is an example of how organisations that can, go beyond adopting the best in energy conservation technologies, and augment the energy supply by implementing 'green' energy systems that leverage nature's abundance of solar energy.



The Net-Zero Energy Building (NZEB) at night

As India progresses,there is an increasing demand for energy to sustain its growth, and a worsening energy deficit both in terms of peak energy and total energy requirements. By 2016 this deficit is likely to be up to 25 percent. About 29 percent of the total energy needs is consumed in buildings, and industry consumes 46 percent of all energy consumed. The electricity grid, the primary source of power in India, has not kept pace with the rising demand. This has led to an unstable electricity grid and, consequently, problems within the production flow.

The SunCarrier Omega Net Zero Energy Building (NZEB), located in the central part of India, in the city of Bhopal, the capital of Madhya Pradesh, is an example of how organisations that can, go beyond adopting the best in energy conservation technologies, and augment the energy supplyby implementing 'green' energy systems that leverage nature's abundance of solar energy.

Investing in net-zero energy systems for buildings is an idea whose time has come. A Net Zero Energy Building is highly energy efficient and produces at least as much energy over the course of a year as it consumes. Demand-side renewable building technologies adopted at SunCarrier Omega include daylighting, insulation, occupancy monitoring, high-efficiency HVAC equipment,natural ventilation, water harvesting and evaporative cooling. Demand-side efficiency solutions in building design are numerous; but integrated renewable energy generation and storage to create grid-independent habitats, are few. SunCarrier Omega Net-Zero Energy Building (NZEB), is a generation-side implementation paradigm for Net-Zero Energy Buildings (Net Zero Site Energy), that increases energy supply efficiencies by reducing the number of energy transfers.

While solar energy has been used for long as a source of electricity for lighting loads, the SunCarrier NZEB system is a rare example of using on-site solar energy to support all electrical loads including that of 40 tonnes of air-conditioning. Its ease of installation, commissioning and maintenance, and the 25 year life of such projects make this a very attractive solution to ensure energy security, and protecting the environment at the same time.

The building is owned by SunCar r ier Omega, and the pic turesque campus serves as a Global Energy Solutions Park. It has been the host to many visitors from academia, financial institutions, government institutions , politicians , technocrats, students and corporates who are desirous of learning about sustainability and renewable energy, and how practical projects can be implemented, easily, using contemporary technology and products. Periodic walk- through and workshops are being conducted to spread the message of eco-responsible energy usage.

The SunCarrier Omega Net-Zero Energy Building evolved as a multi-act play  :

Deployment of a renewable energy generator in the form of Solar PV system  :

The SunCarrier SC 260 was chosen since it was one of the largest sun-tracking solar PV systems worldwide, with a designed energy yield that was 35-40 percent higher than that of similarly rated static systems. Its large format, and its ability to track the sun, has made it a beacon for the eco-inquisitive and eco-conscious from all walks of life. It now acts as a great motivator for those desirous of adopting sustainable energy policies for their own residential or commercial operations.

Incorporate demand-side energy efficiencies:

The SunCarrier Omega NZEB design incorporated daylighting for high utilisation of natural lighting; LED lighting and occupancy monitoring sensors. The air conditioning system chosen was one with ozone friendly refrigerant and carbon dioxide monitoring sensor system and low noise inverters. Water harvesting system, controlled water discharge toilets, and sewage treatment with zero discharge ensured efficient usage of water. The furniture chosen, too, was 95 percent recyclable.

Integration of a large capacity energy storage system , the Cellcube FB 10-100:

In addition to its ability to store up to 100 kWh of energy per unit, it also functions as an effective energy management system. Excess energy produced during the day by the SC 260 is stored in the Cellcube, which in turn supplies energy during the night hours, and during monsoon days when the sun does not shine.

Based upon the sizing for the SunCarrier Omega energy plan, the system was configured with 2 units of SunCarrier SC 260, with an overall rating of 67 kWp, for a planned yield of over 130,000 kWh per annum. 3 units of Cellcube FB 10-100, each with a maximum power rating of 15 kW, and a storage capacity of 100 kWh, were configured. 1 SMA Multi-cluster box completed the configuration.

The system described above has a design life of 25 years. The SunCarrier SC 260 requires minimal maintenance in terms of periodic cleaning the dust off the PV module surfaces. Since PV efficiencies are improving rapidly, periodic replacement to newer and more efficient modules is desirable, though not essential. The PLC controls and monitoring systems incorporated both in the SunCarrier SC 260 and the Cellcube FB 10-100 allow remote monitoring of critical performance parameters and take the rarely required preventive actions to ensure smooth functioning of the system. The systems are highly eco -friendly in that they are over 95 percent recyclable, emit no harmful gases or effluents, and there are no heavy metals to dispose off.

The system described above has a design life of 25 years. The SunCarrier SC 260 requires minimal maintenance in terms of periodic cleaning the dust off the PV module surfaces. Since PV efficiencies are improving rapidly, periodic replacement to newer and more efficient modules is desirable, though not essential. The PLC controls and monitoring systems incorporated both in the SunCarrier SC 260 and the Cellcube FB 10-100 allow remote monitoring of critical performance parameters and take the rarely required preventive actions to ensure smooth functioning of the system. The systems are highly eco -friendly in that they are over 95 percent recyclable, emit no harmful gases or effluents, and there are no heavy metals to dispose off.

Solutions, as exemplified by the SunCarrier Omega Net-Zero Energy Building, are ideal energy solutions for energy security for corporates and residential complexes. There are various possible applications of the SunCarrier Omega Net-Zero Energy Building design principles. Among them are:

  • Providing a environmentally responsible energy solution to the eco-conscious consumer

  • Rural electrification - where grid energy is not available

  • Providing energy security from escalating fuel prices, to industries with significant use of diesel generator sets, eg. Hospitals

  • Providing non-polluting energy to industries with significant use of highly polluting diesel generator sets, eg. Telecom towers

  • Providing non-polluting energy to industries with significant use of highly polluting diesel generator sets, eg. Telecom towers

About SunCarrier Omega Pvt. Ltd.
SunCarrier Omega Pvt. Ltd. offers turnkey renewable energy solutions incorporating one of the world's largest sun-tracking systems, the SunCarrier series, and large capacity vanadium redox flow energy storage and management system, the Cellcube+ series, and small wind turbines, the WindCarrier. SunCarrier Omega is a joint venture member of GILDEMEISTER Energy Solutions, of the GILDEMEISTER Group of Germany. For further information, please visit www.suncarrieromega.com.

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Testimonials


Hamburgische Energiehandlung

After years of search, we found the partners we were looking for to establish an investment in future-oriented energies: the a+f GmbH. Our first partnership concept for the purpose of creating a closed fund contains 5 to 10 MWp in Apulia. The first parks have already been connected to the grid and deliver supreme efficient power made out of the sun "Sonnenstrom". A noteworthy pioneering achievement has been accomplished. Such demanding intentions are only feasible if the investor and the operator work together in a close and precise partnership regarding this project which is supposed to last over 20 years. These successful projects build a foundation for a decidedly promising product-line.


Mr. Thomas Ritter and Mr. Helge Janssen, Managing Directors
Hamburgische Energiehandlung
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