Displaying items by tag: Renewable energy
Asia Cement presents 2050 net zero strategy
06 July 2023China: Asia Cement has launched its 2050 decarbonisation strategy, entitled 'Net-Zero Carbon Emissions By 2050 - Asia Cement Advanced Deployment.' The strategy consists of multiple pillars, namely 'alternative fuels,' 'reducing cement's clinker factor,' 'increasing renewable energy reliance' and 'carbon capture.'
During 2022, Asia Cement reduced its limestone, clay, iron and sand consumption by 266,000t, its coal consumption by 17,000t and its gypsum consumption by 56,000t year-on-year. This eliminated 95,100t of CO2 emissions throughout the year, according to the producer.
Peru: UNACEM Peru said that it reduced its CO2 emissions per tonne of cement by 2.7% year-on-year during 2022. Throughout the year, the company reduced its electricity consumption by 3.4%. It sourced 90% of its electricity from renewable sources and met 70% of its fuel needs with natural gas. UNACEM Peru is committed to reaching carbon neutral cement production by 2050.
In terms of community engagement, the producer benefitted 76,700 people through its social infrastructure investments and 14,1000 people through its dialogue space initiatives, and provided its remote health guidance service to 3000 people.
Thailand: US-based Rondo Energy and Siam Cement Group (SCG) plan to expand the production capacity of a heat battery storage unit at a SCG plant to 90GWh/yr. Once complete the site will reportedly have a production capacity larger than any current heat battery-supported manufacturing facility worldwide and will save up to 12Mt/yr of CO2. The SCG site already has a capacity of 2.4GWh/yr.
SCG’s executive vice president Thammasak Sethaudom said “Rondo offers an innovative solution to reduce the carbon emissions from industrial process heat used in factories worldwide. SCG can use Rondo’s technology to lower our own carbon emissions and SCG Cleanergy can partner with Rondo to help our customers cut emissions.” He added “We also realised that we can leverage our 70 years of technical expertise in the refractory business and supply chain.”
Rondo heat batteries consist of refractory bricks capable of storing renewable energy as heat. The heat energy can then be returned to an industrial process as hot air or steam. SCG invested in Rondo Energy in 2022.
This story was amended on 4 July 2023, after a previous version erroneously stated the location of the plant as Ukraine. Global Cement apologises for this error.
India: Ramco Cements has commissioned a 3000t/day integrated cement line at its Ramamasamy Raja Nagar cement plant in Tamil Nadu. Projects Today News has reported that the plant runs on renewable energy from a captive wind farm, and recycles 90% of water used in production.
Ramco Cements produces Ramco 53 Infra Super cement at the Ramamasamy Raja Nagar plant. The product allows for lower cement and admixture content to be used in the production of concrete structures.
India: Ambuja Cements and its subsidiary ACC have transitioned to reporting their results in line with the (April - March) Indian financial year. As such, they have published 15-month results for 2022 and the first quarter of 2023. During the period, Ambuja Cements reported sales of US$4.75bn, up by 34% year-on-year from US$3.53bn. Its cement volumes rose by 28% to 68Mt, while its earnings before interest, taxation, depreciation and amortisation (EBITDA) fell by 11% to US$714m. Meanwhile, ACC recorded sales of US$2.71bn, up by 38% from US$1.97bn in 2021. Its cement volumes rose by 31% to 37.9Mt, while its EBITDA fell by 30% to US$275m.
ACC announced its goal to become India's 'most profitable cement company.' To realise this, the company will implement a three-pronged strategy of capacity expansion, efficiency improvements and development of its distributor and dealer network. Under the capacity expansion heading, the producer will double its production capacity through the construction of new cement plants and the expansion of existing ones. In this, it will lay special emphasis on securing supplies of renewable energy and supplementary cementitious materials, including fly ash from its own power plant segment. The company noted that it recently secured access to 1Bnt-worth of new limestone reserves in Maharashtra, Odisha, Karnataka and Rajasthan. It will also seek to increase its coal production to avoid the rising cost of imports.
In the 2024 financial year, the government of India plans to invest US$11.4bn in the construction of new housing, roads and sanitation infrastructure nationally. Ambuja Cements has forecast an increase in domestic cement consumption of 6 - 8% to over 390Mt/yr. It expects Indian cement production to rise by 8 - 10% year-on-year to 390Mt in the 2024 financial year.
UK lime sector commits to net zero by 2040
22 June 2023UK: Mineral Products Association Lime (MPA Lime), the body representing the UK lime sector, has launched the Net Negative 2040 Roadmap. The association said that the roadmap sets out the strategy for its to 'go beyond net zero' by 2040. The industry will rely on the deployment of fuel switching, carbon capture, renewable energy sources and green transport technologies, among other approaches. It called on the government to support its aims through the implementation of carbon accounting, subsidisation of renewables and decarbonisation technologies, the development of green hydrogen infrastructure, ensuring that UK lime can remain competitive in the UK and overseas markets.
MPA Lime director Mike Haynes said “Each lever will contribute to decarbonisation – many initiatives are happening already or will come on stream this decade." He added "The combination of using biomass fuels with carbon capture and lime product carbonation will result in removal of 250,000t/yr of atmospheric CO2, making the sector net negative overall. Other levers, especially indirect emissions and transportation, require broader collaboration and enabling action by government and other industries.”
Through their actions to date, MPA Lime members reduced their absolute CO2 emissions by 25% between 2005 and 2022.
China Energy to accelerate Samarkand cement plant construction for commissioning in 2024
19 June 2023Uzbekistan: China Energy and the government of Uzbekistan have set a resolution to inaugurate the upcoming 3Mt/yr Samarkand cement plant before the end of 2024. Within the same timeframe, China Energy will launch 400MW-worth of new solar power plants in Bukhara and Kashkadarya. The China-based utilities company will subsequently expand its solar power capacity in Uzbekistan to 1000GW.
Uzbekistan Daily News has reported that China Energy and the government committed to cooperating further on the development of a programme for the implementation of joint projects, including more new 'production plants' and renewable energy infrastructure.
Nigeria: BUA Cement plans to use loans worth US$500m towards the construction of two new 3Mt/yr cement plants in Sokoto State. When operational, the new plants will increase the producer's installed capacity by 55% to 17Mt/yr. Local press has reported that BUA Cement plans to run both cement plants using solar power, and to produce cement using alternative fuel (AF). Additionally, the producer will use a portion of the funding to replace part of its diesel-fuelled cement truck fleet with new natural gas-fuelled models.
Of a total US$500m in financing secured by BUA Cement on 5 June 2023, the International Finance Corporation (IFC) lent US$161m (32%) and African Development Bank, Africa Finance Corporation and the German Investment Corporation jointly lent US$245m (49%), with the remainder advanced by institutional investors.
Update on cement diversification, June 2023
07 June 2023Taiwan Cement said this week that it is aiming for cement to account for less than half of its sales by 2025. At the annual shareholders’ meeting chair Nelson Chang defended the cement sector as a core business but said that the company was expanding more into the green energy sector through its energy storage and vehicle charging lines. Chang directly linked the strategy to growing carbon taxes around the world, such as the European Union Emissions Trading Scheme, where the carbon price has been occasionally close to pushing past Euro100/t since early 2022. Taiwan Cement formed a joint venture with Türkiye-based Oyak Group in 2018 that runs Cimpor in Portugal.
Company |
Cement share of business |
Other main sectors |
CNBM |
45% |
Aggregates, concrete, gypsum, wind turbines, batteries, engineering |
Anhui Conch |
78% |
Aggregates, concrete, sand, trading |
Holcim |
51% |
Aggregates, concrete, lightweight building materials |
Heidelberg Materials |
44% |
Aggregates, concrete, asphalt |
UltraTech Cement |
95% |
Concrete |
Taiwan Cement |
68% |
Power supply, rechargeable lithium-ion battery, sea and land transportation |
Taiheiyo Cement |
70% |
Aggregates, concrete |
Table 1: Cement business share by revenue of selected cement producers. Source: Corporate annual reports.
Taiwan Cement’s plan to decrease its reliance on cement is becoming a familiar one. Holcim notably revealed in 2021 that it was growing its light building materials division. Its cement division represented 60% of sales in 2020 with concrete and aggregates making up most of the rest to 92% and the remaining 8% on other products including light building materials. This started to change with the acquisition of roofing and building envelope producer Firestone Building Products in 2021. Other similar acquisitions have followed. Holcim’s current target is to grow the Solutions & Products division to around 30% by 2025, with cement reduced to somewhere between a third and half of sales. Earlier this year Japan-based Taiheiyo Cement said it was doing a similar thing as part of its medium-term strategy to 2035. In its case cement represented 70% of its sales in 2022 but it is now aiming to reduce this to 65% by 2025 and 50% by 2035.
A common pattern for the business composition of European cement companies is a mixture of heavy building materials made up of cement, concrete and aggregate. However, not every cement company follows the same route. Some cement companies are simply parts of larger conglomerates. UltraTech Cement, for example, is mostly just a cement company. However, it is also part of Aditya Birla Group, which runs a wide range of industries including chemicals, textiles, financial services, telecoms, mining and more. Depending on how one looks at it, UltraTech Cement’s cement business ratio is large or Aditya Birla Group’s ratio is small. Siam Cement Group (SCG) in Thailand is another example of a cement producer operated by a conglomerate with other major businesses.
A different approach that some cement producers take is to mix cement production with complimentary businesses outside of heavy building materials. A good example of this is Votorantim Cement in Brazil, which manufactures cement and steel. Companhia Siderúrgica Nacional (CSN) is another Brazil-based cement producer that is also well known for steel production. Adani Group in India, meanwhile, was well known for logistics, power generation and airports before it purchased Ambuja Cements and ACC from Holcim in 2022.
The driver for cement companies looking to reduce cement as a proportion of their businesses has varied between the three examples presented above. Holcim’s approach has been in response to growing European carbon costs but it also fits with a general desire to broaden its business as the company has sought to reshape itself following the merger between Lafarge and Holcim. Taiheiyo Cement’s plans also have a sustainability angle but the Japanese market has been in slow decline since the 1990s and this has been made worse by the spike in energy prices since 2022. Investing in new businesses makes sense for either of these reasons. Lastly, Taiwan Cement says it is taking action in response to carbon prices around the world. However, its proximity to many other large-scale producers in the Far East may also be a factor. Whether more companies follow suit and also start to reduce the ratio of their cement businesses remains to be seen. Yet, mounting carbon taxes and global production overcapacity look set to make more of the larger cement producers consider their options in certain places.
France: The French cement association France Ciment has announced a new CO2 emissions reduction target of 50% across the cement industry between 2021 and 2030. The new target for 2050 will be 'virtual carbon neutrality.' The Les Echos newspaper has reported that the commitments replace previous reduction targets of 24% by 2030 and 80% by 2050. France Ciment says that its members are planning estimated investments of Euro5bn towards achieving the goals before 2040. These investments will cover areas including the deployment of carbon capture. Existing public and private investments in the industry's on-going projects to reduce CO2 emissions amount to Euro1.7bn - sufficient to eliminate 27% of emissions compared with the 2021 baseline.
France Ciment’s President Benoit Pillon noted the necessity of cement in construction, and called for 'decarbonisation as a whole: less clinker in cement, less cement in concrete and less concrete in construction.' He urged the implementation of policies to secure 'decarbonised and competitive electricity.'