Sustainability

Mahindra Susten to install Bangladesh’s largest solar rooftop

The renewables business of the conglomerate will undertake its first project across the border by providing engineering, procurement and construction services on a Rs12.6 crore, 3.1 MW array for a German-Bangladeshi knitwear company which will buy the power generated for Rs5.71518/kWh.

The long read: Stored potential

Demand for batteries is going nowhere but up, as new factories seem to appear almost every week with promises to power electric vehicles, consumer electronics, and grid-connected storage. But the lithium-ion technology that all of these rely on is not without drawbacks, and a whole host of new storage solutions is eager to get out of the laboratory.

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Project developers in south Asia can secure cash from IRENA funding pot

The Climate Investment Platform launched by three multilateral bodies in September is now open for business and renewables companies in developing nations across 14 regions including south Asia could qualify for help with clean energy facilities, renewables-related grid improvements and energy efficiency schemes.

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The long read: Renewable energy procurement comes to China

An growing number of companies globally have set sustainability targets to address the climate emergency. More than 700 companies are taking action to reduce their carbon footprint, write Caroline Zhu and Jiayin Song of Rocky Mountain Institute, and over 200 companies have publicly made the RE100 commitment to procure 100% of their electricity from renewable energy.

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A multi-level inverter for solar water pumps

Scientists in India have tested a new inverter topology with a single-phase, induction-motor water pump. The seven-level inverter, with five power semiconductor switches, is said to be particularly efficient at reducing switching losses thanks to a pulse width modulation technique.

EVs: India lacks authorized Lithium-ion battery recycling facilities

Any proponent can install such facility in the country, said Minister of State for Environment, Forest And Climate Change, noting that technologies are available for complete recycling of lithium batteries to recover valuable metals.

A little Green Brilliance in a Virginian vineyard

The Indian installer supplied panels for a commercial client in the U.S. who had been inspired by a trip to Rajasthan with his wife in 2008.

Assessing metal leaching from PV modules dumped in landfill

An Indian Institute of Technology research team analyzed around 300 studies about PV panel waste containing carcinogenic metals. The researchers said solar module recycling is not economically profitable and policy support is necessary to avoid panels being dumped in landfill.

German company Phaesun installs solar-powered water desalination plants in Gujarat

The pilot plants—installed at a temple and a school—work on a membrane-based electrodialysis technology to provide clean drinking water.

European carrier plans hydrogen buses for long-distance routes

German coach company planning start-up Flixbus will test hydrogen fuel cell vehicles on long-distance routes.

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