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ROOFTOP SOLAR INSTALLATIONS
Tata Power Solaroof crosses 5 lakh rooftop solar installations- 'Naraz Fufa' and 'Jhooth ki Goonj': PM Modi targets Opposition at Dedicated Freight Corridor completion
- By 2024, over 550,000 Germans had hung solar panels from their balcony railings and plugged them into wall sockets, turning apartments into mini power plants; within a year, installations surged to 1 million as the simple, roughly €500 technology spread among renters
- In St. Paul, Penfield added a vegetated roof over a conventional membrane; monitoring found the green-roof membrane peaked about 51°F cooler than the conventional roofResearch reveals that green roofs maintain lower temperatures compared to conventional roofs, leading to significant reductions in cooling ...07 Sep, 2026, 01.00 PM IST
- In 2001, researchers tested a white roof on a large Austin retail store; the study reported lower roof temperatures and an 11% reduction in cooling energy useA 2001 study in Austin demonstrated that white roofs lowered building temperatures significantly. This change reduced air conditioning ener...05 Sep, 2026, 01.40 PM IST
- In 1991, EPFL scientists Brian O’Regan and Michael Grätzel developed solar cells inspired by plant photosynthesis. 34 years later, the technology had reached 12% efficiencyIn 1991, EPFL scientists Brian O’Regan and Michael Grätzel developed a solar cell inspired by plant photosynthesis. Their dye-sensitized so...04 Sep, 2026, 07.25 PM IST
- In 1997, NPS installed 3 solar hot-water systems at Oklahoma’s Chickasaw park. 2 years later, the largest system supplied 18,194 kWh annually, replacing electric heatingIn 1997, the National Park Service replaced electric heaters at Oklahoma’s Chickasaw National Recreation Area with three solar hot-water sy...02 Sep, 2026, 08.35 PM IST
- Delhi free solar panel scheme: Govt to provide 3 kW rooftop panels at zero installation cost for households using up to 400 units a month; How to applyDelhi free solar panel: Delhi's revised solar policy will provide eligible households using up to 400 units a month with 3 kW rooftop syste...02 Sep, 2026, 11.13 AM IST
- Delhi Cabinet approves revised solar policy, targets free 3 KW panels for 2.30 lakh consumersDelhi's cabinet has approved a revised solar policy for households. Households consuming 400 units or more monthly will receive free 3 KW s...01 Sep, 2026, 05.51 PM IST
- Karnataka to accelerate rooftop solar rollout across government buildingsKarnataka will speed up rooftop solar installations on government buildings. The Public Works Department will survey suitable buildings for...31 Aug, 2026, 08.29 PM IST
- Notre Dame engineers tested a clear window coating that filters solar heat; model interiors stayed up to 7.2°C cooler without electricityInnovators have developed a cutting-edge transparent coating that effectively blocks solar heat while still allowing natural light to perme...30 Aug, 2026, 03.20 PM IST
- In 2020, researchers tested a self-moistening hydrogel mat under solar panels; it cooled them by at least 10°C and boosted output by up to 19%New research introduces a cooling gel for solar panels. This gel absorbs moisture at night and releases it as vapor during the day. The coo...29 Aug, 2026, 06.30 PM IST
- India needs Rs 30 lakh crore to hit 500 GW clean-energy target: Pralhad JoshiIndia needs over ₹30 lakh crore investment for its 500 GW non-fossil fuel target. Domestic financial institutions and capital markets will ...28 Aug, 2026, 12.56 AM IST
- ET Startup Awards 2026 | Comeback Kid: Mukund Jha returns stronger with AI betEmergent cofounder Mukund Jha has won the Comeback Kid award at the ET Startup Awards 2026, marking a return after the collapse of Dunzo. T...27 Aug, 2026, 06.00 AM IST
- In 2017, CU Boulder engineers turned glass microspheres into a 50-microliter film; 10 to 20 square meters of it could help cool a family-sized houseA team of researchers has developed a groundbreaking thin film that cools surfaces without the need for electricity or water. By employing ...26 Aug, 2026, 02.10 PM IST
- Argonne modeled Chicago’s August 2021 heatwave with different roof types; white roofs lowered air temperature by nearly 2°C and cooling energy use by 16.6%Transforming the rooftops of Chicago into cooler surfaces has led to a notable reduction in city temperatures. The use of white cool roofs ...25 Aug, 2026, 06.40 PM IST
- Rooftop solar, KUSUM account for 40% of India's solar capacity additions in FY27 till July: BernsteinRooftop solar and KUSUM scheme are driving India's solar capacity growth. These initiatives accounted for forty percent of additions in the...25 Aug, 2026, 11.38 AM IST
- Stanford ran water beneath mirror-like rooftop panels; they cooled it 3–5°C below the surrounding air by sending heat into spaceResearchers at Stanford have created innovative panels that cool water exclusively using sunlight and mirrors. These panels effectively ref...21 Aug, 2026, 01.00 PM IST
- Tata Power launches ‘Ghar Ghar Solar’ in Bihar, targets 5 lakh homes in 3 yearsTata Power Renewable Energy launched its 'Har Ghar Solar' initiative in Bihar on Thursday. This program aims to facilitate rooftop solar ad...20 Aug, 2026, 09.46 PM IST
- Delhi's master plan proposes solar, hydro power generation from canals, drainsDelhi's Master Plan for 2047 proposes harnessing renewable energy from existing canals and drains. The plan also suggests utilizing greenfi...18 Aug, 2026, 05.45 PM IST
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