Infosys launches 6.6MW solar power plant on its campus in Telangana

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Original article.

Infosys on Monday launched a 6.6 MW solar PV (photovoltaics) power plant on its Pocharam campus in Telangana.

With this launch, combined with the existing 0.6 MW capacity rooftop solar plant, the Infosys campus in Pocharam will be one of the first corporate campuses in India that will be run completely by renewable energy.

The plant, with a total capacity of 7.2 MW, has been successfully synchronized with the grid and is expected to generate 12 million kWh per annum. This initiative is expected to reduce the company’s CO2 emissions by 9,200 tons.

Currently, the company has installed 12 MW solar power plants (onsite) across its campuses and another 3 MW is expected to be completed within the next two months.

Ramadas Kamath, executive vice-president and head – infrastructure, facilities, administration, security and sustainability, Infosys, said, “Companies have a responsibility to the communities in which they are present and sustainable development and climate change are issues that businesses need to get actively involved in. We hope other companies will emulate us, aligning to the goals committed by India at COP21, Paris, with an overall objective of creating a sustainable future.”

The Infosys IT SEZ at Pocharam is a 450-acre campus. The Phase-1 of this campus has a built-up area of 30 lakh square feet with 16,000 seats, software development blocks, residential training facilities, food courts, recreational facilities, multi-level car parking, water treatment plant, sewage treatment plant and utility blocks.

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Determining the solar energy potentials of private homes

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Original article.
Determining the solar energy potentials of private homes

EAGLESolar project calculates the suitability of individual homes for installation of solar facilities and potential energy savings based on 3D maps, weather data, and electricity tariffs. Credit: IPF, KIT

Recently, Google started the Sunroof project, a service that calculates potential energy savings of home owners due to solar facilities on their roofs. However, this project covers a few cities in the USA only. Scientists of Karlsruhe Institute of Technology (KIT) and European partners have now finished the EAGLESolar research project. It covers the same activities in European cities and take into account local conditions. Among the test regions is Karlsruhe with its districts of Knielingen and Nordweststadt.

As a result of decreasing costs of solar thermal and , every house owner can produce electricity or heat on his own in principle. Often, an energy consultant is needed to decide to what an extent the house roof is suited for installation of photovoltaic systems and whether they are worthwhile. Under the EAGLESolar project funded by the European Union with EUR 2.4 million, scientists of KIT determined the suitability of roofs with so far unreached precision.

In a first step, the project partners provide high-resolution aerial photos or laser scanning data of various cities in Europe, including municipalities near Karlsruhe. The scientists of the KIT Institute of Photogrammetry and Remote Sensing (IPF) then used these photos to generate three-dimensional maps similar to Google Maps, but with a much higher resolution up to 10 cm or better. This high precision of the maps was required for the researchers to develop an algorithm to calculate potential suitability of roof areas for the installation of solar facilities. The more precise the model is, the better is automatic analysis of roof areas usable for solar facilities and the closer are the calculations to reality.

Calculation of the potential of a roof is based on static data, such as the roof area available, orientation of the roof, and its inclination. In addition, variable data, such as areas shaded by other houses, trees, stacks, or dormers and reducing the efficiency of solar facilities, are considered. Determination of shaded areas is complex, as the sun casts variable shades depending on the time of day and season. Consequently, analysis has to consider all angles of incidence of solar radiation throughout the year.

To calculate these huge data volumes arising from the precision of the 3D maps and the sun’s course, the project partners for the first time used supercomputers. “Processing these data volumes with conventional computers simply is not time- or cost-efficient. Together with our project partners, including supercomputing centers, we redesigned workflows to obtain effective results by parallel computing,” Stefan Hinz, Head of the Institute of Photogrammetry and Remote Sensing, says. On conventional PCs, calculations are divided into small packages and executed successively. When using supercomputers, these packages are calculated at the same time, i.e. in parallel, which produces the results significantly faster.

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The project partners combined these data on the suitability of roofs with regional weather data, such as average cloud density or number of sunshine hours, to prognosticate the expected power and heat production. Finally, automatic comparison with daily tariffs and funding options yields potential financial savings.

Explore further: Solar panels keep buildings cool

Provided by: Karlsruhe Institute of Technology

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Italy’s Eni renews agreement for oil, gas search off Cyprus for 2 more years

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Original article.

NICOSIA, Cyprus – The Cyprus government has renewed an agreement with Italian energy company Eni and its South Korean partner KOGAS to search for oil and gas in waters off the Mediterranean island’s southern coast.

Eni said in August that it discovered off Egypt’s coast what it called the biggest gas field ever found in the Mediterranean sea.

Cyprus Energy Minister Yiorgos Lakkotrypis says Eni’s license to search in three areas has been extended to February 2018.

He said after a Cabinet meeting Monday exploratory drilling could begin sometime in 2017, but a consortium study is still in its preliminary stage.

Earlier this month, French energy company Total also renewed its license to search for oil and gas off Cyprus for two more years.

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