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September 4, 2018
ESCO model grows in popularity in South Africa

“Our clients are cash flow positive from day one,” South African company Energy Partners claims on its website. Up until now, it has been offering heat and steam purchase agreements, mainly on coal boilers, to industrial and public customers. “Purchase contracts for solar heat in...
September 3, 2018
Slim all-black collectors: the next generation of solar heating

In March, Dutch-based HRsolar began manufacturing a completely redesigned collector on a fully automated production line. Called Nero, the black-coloured unit is 40 millimetres thick – as slim as a photovoltaic panel. According to the manufacturer, the aim had been to “reinvent the concept...
August 17, 2018
Successful solar energy bylaw in Bengaluru, India

Bengaluru Electricity Supply Company, a public utility also known as BESCOM, has been successful in implementing a bylaw to encourage the use of solar energy. Since 2009, 1,234 million m² of collector area had been installed in Bengaluru and had supplied energy equivalent to about 611...
August 14, 2018
Concrete slabs store thermal energy and heat homes

Many building owners consider roof-integrated solar systems to be a tried-and-true way of saving as much on their heating bills as they can. A research project called solSPONGEhigh and developed in Austria has shown: When using thermal mass, i.e., the capacity of a building to store heat in...
August 8, 2018
3,300 m² for sports club in Brazil

A 3,300 m² solar field is currently being built at one of Minas Tênis Clube’s four locations in Brazil. The system at the sports club in Belo Horizonte, in the province of Minas Gerais, is planned to meet 70 % of the water heating demand for five pools, including an Olympic one, and three...
July 25, 2018
Lessons learned from urban solar projects

Cities and municipalities are thought to play a decisive role in transforming energy systems. Urban planners, municipal stakeholders and consulting firms need case studies to demonstrate that solar energy can be integrated successfully into new and existing urban neighbourhoods. It is why...
July 5, 2018
New coating manufacturer in China

Last December, Shandong-based Sanqiaoneng introduced a new line of absorber plates, which had taken five years to develop. According to the company website, Singaporean investment holding company Rowsley had spent USD 5 million on the design of a selective coating for these metal plates....
July 2, 2018
Crowdfunding the Heat Changers campaign

The German Solar Heating Initiative has put together a crowdfunding project to fund a consumer campaign called Heat Changers. Its initiators, Marisol Oropeza and Stefan Abrecht (first and second image from top left), have already brought some well-known supporters on board, including Markus...
June 26, 2018
Europe’s first-ever renewable heating and cooling target

After night-long negotiations, the European Parliament and Council have reached an agreement on the Renewable Energy Directive for 2030. At long last, discussions that started in November 2016 came to a close in the early morning of 14 June. The...
June 6, 2018
Rising demand for solar heat in large buildings and industry

By the end of 2017, the market for solar heating and cooling had grown by 472 GW_th, which again made it the largest for solar energy in the world. The one for photovoltaic systems gained 402 GW_p to become the second-largest, and 5 GW_el was enough for...
June 5, 2018
Green hotel in Italy’s mountains

Solar thermal performs well even in high-mountain areas during winter season. The installation shown in the photo is proof that combining solar and other renewable technologies, such as biomass boilers and a solar-assisted heat pump, results in a synergy that can be very productive. The...
June 1, 2018
A survey of the global market for concentrating collectors

Concentrating collector technologies are becoming an increasingly popular choice for customers requiring industrial heat or space heating. This year’s Renewables 2018 Global Status Report includes, for the first time, data regarding new installations of concentrating systems....

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