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News Solar power

Displaying items by tag: Solar power

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Emami Cement splits off solar business

26 December 2018

India: Emami Cement has been granted permission by the National Company Law Tribunal (NCLT) to demerge its solar power assets. The cement producer has decided to focus on its core business, according to the Daily News and Analysis newspaper. The solar business part of the cement producer operates a 10MW plant at Gujarat Solar Park in Patan, Gujarat and a 3MW plant at Perunali in Tamil Nadu. The subsidiary of Emami Group will eventually be consolidated into sister company Emami Power.

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Jianghua Conch starts solar plant project

11 October 2018

China: Jianghua Conch has launched a 5.9MW solar plant project. Its subsidiary, Jianghua Conch New Energy, will build the unit. No date for the completion of the project has been disclosed. Jianghua Conch is a subsidiary of Anhui Conch based in Hunan province.

Published in Global Cement News
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Ohorongo solar plant inaugurated

10 September 2018

Namibia: Ohorongo Cement officially inaugurated its 5MW photovoltaic solar plant this week at its head offices at Farm Sargber near Otavi in the Otjozondjupa Region.

Speaking at the opening, Tom Alweendo, Minister of Mines and Energy said that solar electricity generation had grown so exponentially in Namibia since the inception of the Renewable Energy Feed-In Tariff programme in 2014.

Published in Global Cement News
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Fauji Cement to set up solar power plant

08 August 2018

Pakisan: Fauji Cement has approved plans to set up a 12.5MW captive solar plant. The company operates a 3.4Mt/yr cement plant near to Attock in Punjab Province.

Published in Global Cement News
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Cemex Colombia considering building solar plant at Ibague

02 July 2018

Colombia: Cemex Colombia, LG and the mayor of Ibague say that they have started technical economic and legal studies studies to support building a solar plant near Ibague in Tolima. The unit will supply energy to the Caracolito cement plant and lighting systems in the nearby city, according to Valora Analitik. The solar plant will be located on a 56-hecatre site owned by the Mayor’s Office on the Doima - Buenos Aires highway.

Published in Global Cement News
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Solar plant at Ohorongo Cement scheduled to start in June 2018

20 June 2018

Namibia: Ohorongo Cement’s captive 5MWAC solar plant is preparing to start commercial operation by the end of June 2018. The unit is equipped with approximately 20,000 crystalline silicon modules mounted on a tracking system and an installed capacity of 6.5MWDC for an output of 5MWAC, according to the Daily Observer newspaper. Once it starts commercial operation it will provide an estimated 14GWhr/yr to the cement plant.

Investors have reached financial close in the project. The site has been developed and built by Germany’s SunEQ and its local partner Hungileni. Local financial partners also include Namibia Infrastructure Finance. Gildemeister Energy Solutions also worked on the project.

Published in Global Cement News
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Cementos BSA signs deal to supply grinding plant with renewables

08 June 2018

Chile: Cementos Bicentenario (BSA) has signed a deal with energy company Engie to supply its Quilicura grinding plant near Santiago with renewable energy. All of the energy supplied to the plant will come from renewable sources including solar and hydroelectric. The contract, equivalent to 35GWh, will see the plant achieve the I-REC certification.

Published in Global Cement News
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Cement highlights from the Global Slag Conference 2018

02 May 2018

There is lots to mull over for the cement industry from last week’s Global Slag Conference that took place in Prague.

One striking map from Michael Connolly, TMS International, showed the status of slag and steel products in the US. It was a multi-coloured patchwork of different regulatory statuses from approval to be used as a product to regulatory exclusion. This won’t come as a surprise to many readers but even within one country the way slag can be used legally varies.

As this column reported last year after the Euroslag Conference, the European Union can be presented in a similar way. The irony here is that increased use of slag and other secondary cementitious materials (SCM) is exactly the kind of change the cement and concrete industries need to make to decrease their carbon emissions. Constant quibbles over whether slag is a product or a waste undermine this. Happily then that Connolly was able to report progress in the US as lobbying by industry and the US National Slag Association have led to more states legally accepting slag as a product.

However, cement producers have other concerns in addition to environmental ones when it comes to slag usage as Doug Haynes from Smithers Apex explained. Haynes, a former UK steel industry worker turned consultant, spoke around a market report on the future of ferrous slag. His take on Basic Oxygen Furnace (BOF) slag was that despite fuel savings, decreased CO2 emissions and the benefits of embodied iron when it is used as a raw material for clinker production, it is in the interests of cement producers for slag to be a waste because they then get it for free or at a reduced rate. It’s a similar story to the use of waste-derived fuels powering cement plant kilns where producers want lower fuel costs but waste collectors want value for their product. Unsurprisingly, Haynes wanted cement producers to accept the value embodied in BOF slag.

Charles Zeynel of ZAG International, an SCM trader, then laid out the situation where global SCM supplies are remaining static but cement demand is growing. Coal-fired power station closures are reducing supplies of fly ash, another SCM, placing pressure on existing granulated blast furnace slag (GBS) slag supplies. The message was very much in a slag trader’s favour but instructive nethertheless. If slag is in demand then the price will rise. Anecdotally, the increased number of cement producers at the conference seemed to indicate increased interest of the cement industry in the product.

Lots more speakers followed on topics such as slag beneficiation, grinding advances and new innovations. On grinding, one surprise that popped up was that Spain’s Cemengal has sold a Plug & Grind Vertical mill to CRH Tarmac’s cement plant at Dunbar in Scotland. It is the first such sale of this product in Europe. The last speaker, Jürgen Haunstetter of the German Aerospace Centre, stuck out particularly with his presentation on using slag as a thermal energy storage medium in a concentrated solar power (CSP) plant. This may not seem connected to the cement industry but it is along similar lines to Italcementi’s project at the Aït Baha cement plant in Morocco, which uses a CSP process that can be used with the plant’s waste heat recovery unit.

The Global Slag Conference will return in April 2019 in Aachen, Germany.

Read the full review of the 13th Global Slag Conference 2018

Published in Analysis
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Titan Cement to build 8MW solar power station in Beni Suef

26 March 2018

Egypt: Titan Cement Egypt is planning to spend US$8m towards building a 8MW solar power plant next to its Beni Suef cement plant. Surplus energy from the unit will be sold to the national grid, according to the Al Borsa newspaper. The project is at the bidding stage with contractors but the cement producer is believed to be in ‘advanced talks’ KarmSolar.

Published in Global Cement News
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Fronius Solar Energy installs inverter for solar plant at Shahrekord Cement plant

26 February 2018

Iran: Austria’s Fronius Solar Energy has installed an inverter for the 1.5MW photovoltaic solar plant at Shahrekord Cement Company’s plant. The engineering firm supplied its Fronius Symo 76 product for the site situated at 2300m above sea level that experiences a wide variation in ambient temperature between -10°C and 50°C. Using this system, the cement producer has achieved a total yield of 2953MWhr/yr, which it feeds back to the grid. The operator is also able to monitor the system using the Fronius Solar web analysis tool and it is using the provider’s Service Partner programme for ongoing support.

Published in Global Cement News
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