Displaying items by tag: Guangdong

Taiwan Cement has just commissioned a 107MWh energy storage project at its Yingde plant in Guangdong province, China. Subsidiary NHOA Energy worked on the installation and has been promoting it this week. The battery storage works in conjunction with a 42MW waste heat recovery (WHR) unit, a 8MWp solar photovoltaic unit and a proprietary energy management system. It is expected to store about 46,000MWh/yr of electricity and save just under US$3m/yr in electricity costs.

NHOA Energy, formerly known as Engie EPS before Taiwan Cement bought a majority stake in it, claims it is one of the largest industrial microgrids in the world. We can’t verify this for sure, but it is definitely large. For comparison, the 750MW Vistra Moss Landing Energy Storage Facility in California often gets cited as the largest such facility in the world. This is run by a power company, as are many other large battery energy storage systems. In its annual report for 2022 Taiwan Cement said it was planning to using NHOA’s technology to build seven other large-scale energy storage projects at sites in Taiwan including its integrated Suao, Ho-Ping and Hualien cement plants.

The aim here appears to be supplying renewable electricity to the national grid in Taiwan. Taiwan Cement is diversifying away from cement production, with an aim to derive over 50% of its revenues from other activities besides cement by 2025. In 2022 cement and concrete represented 68% of its sales, while its electricity and energy division, including power supply and rechargeable lithium-ion batteries, represented 29%. The company is also not using its own batteries at the Yingde plant. Instead it is using lithium iron phosphate batteries supplied by Ningde Times. This is worth noting, as the cement producer’s batteries are used in vehicles.

Global Cement regularly reports news stories on cement plants that are building photovoltaic solar power arrays. However, so far at least, energy storage projects at scale have been rarer. One earlier example of an energy storage system loosely associated with a cement plant includes the now decommissioned Tehachapi Energy Storage Project that was situated next to the Tehachapi cement plant in California. That project tested using lithium ion batteries to improve grid performance and integrate intermittent generation from nearby wind farms. It is also worth noting that Sumitomo Osaka Cement’s sister company Sumitomo Electric is one of the world’s larger manufacturers of flow batteries, although no installation at a cement plant appears to have happened yet. In simple terms, flow batteries are an alternative to lithium ion batteries that don’t store as much energy but last longer.

More recently, Lucky Cement in Pakistan started commercial operation of a 34MW solar power plant with a 5.59MWh energy storage unit at its Pezu plant in Khyber Pakhtunkhwa in late 2022. Reon Energy provided the equipment including a lithium-ion based battery approach to the storage. Then, in March 2023, Holcim US said that it was working with TotalEnergies to build solar power capacity and a battery energy storage unit at the Florence cement plant in Colorado. TotalEnergies will install, maintain and operate a 33MW DC ground-mounted solar array and a 38.5MWh battery energy storage system at the site. Operation of the renewable energy system is expected to start in 2025.

Away from electrical batteries, the other approach to energy storage at cement plants that has received attention recently from several quite different companies has been thermal batteries. The two prominent groups using them at different scales are Rondo Energy and Synhelion. The former company has developed its Heat Battery technology, which uses refractory bricks to absorb intermittent renewable energy and then supply the energy back as a steady stream of hot gas for use in a cement plant mill, dryer, calciner or kiln. Both Siam Cement Group (SCG) and Titan Cement have invested in Rondo Energy. In July 2023 SCG and Rondo Energy said that they were planning to expand the production capacity of a heat battery storage unit at a SCG plant to 90GWh/yr. Synhelion, meanwhile, has been working with Cemex on using concentrated solar power to manufacture clinker. It achieved this on an ‘industrially viable scale’ in August 2023. It has since been reported that the companies are working on building a small scale industrial plant at Móstoles near Madrid by 2026. Crucially for this discussion though, the process also uses a thermal energy storage unit filled with ceramic refractory material to allow thermal energy to be released at night, and thus ensure continuous operation.

The examples above demonstrate that some cement companies are actively testing out storing energy at scale. Whilst this will not solve the cement sector’s process emissions, it does potentially start to make using renewable energy sources more reliable and reduce the variable costs of renewable power. Whether it catches on remains to be seen. Most of these kinds of projects have been run by power companies and that is where it may stay. It is instructive to note that Reon Energy was the only company to state that its battery-based energy storage system has a life-span of 8 - 12 years. Our current vision of a net-zero future points to high electrical usage but it may be shaped by how good the batteries are… from our phones to our cars to our cement plants.

For more information on Rondo Energy read the January 2023 issue of Global Cement Magazine

China: Taiwan Cement (TCC) commissioned a 107MWh energy storage project at its Yingde plant in Guangdong province in August 2023. Subsidiary NHOA Energy worked on the project that linked the battery storage capacity to a 42MW waste heat recovery (WHR) system and a 8MWp solar photovoltaic unit. It uses lithium iron phosphate batteries supplied by Ningde Times.

The company’s say that the project is one of the largest industrial microgrids in the world. It is intended to provide energy flexibility to the cement plant by using NHOA Energy’s proprietary energy management system to manage peaks in energy demand and acting as a backup for critical equipment to avoid damage caused by sudden blackouts.

The NHOA Energy storage project is expected to store about 46000MWh/yr of electricity and save just under US$3m/yr in electricity costs. The system will also support the Guangdong Provincial Government’s energy storage development policy and be eligible to associated subsidies of over US$350,000/yr.

Giuseppe Artizzu, the chief executive officer of NHOA Energy, said “NHOA Energy’s proprietary energy management system will optimise the generation and consumption profile of the industrial microgrid, while also supporting the regional grid towards its 100% green energy objective, taking the energy transition in the area one step forward in total accordance with NHOA Group’s and TCC’s shared mission of fostering a positive change for the future of our planet.”

China: China Resources Cement has agreed to buy new head office, with an area of 26,700m² , in Shenzhen from its real estate subsidiary China Resources Shenzhen for US$126m. It consists of 91 units in the Runqi Technology Mansion in Shenzhen’s Louhu district. The property will be used by another subsidiary, CR Cement Investments, as its new headquarters. The group says that it wants to use the deal as a showcase of a ‘successful’ high profile transaction in the Shenzhen market to boost sales of other projects.

China: China Resources Cement’s turnover rose by 3% year-on-year to US$5.16bn in 2020 from US$5.02bn in 2019. Its profit attributable to shareholders was US$1.15bn, up by 4% year-on-year. Sales volumes of cement grew by 6% to 87.3Mt from 82.5Mt. Volumes increased in Guangdong, Guangxi, Yunnan and Guizhou but decreased in Fujian, Hainan and Shanxi.

In February 2020 the cement producer completed the construction of one 1.4Mt/yr clinker production line and two cement grinding lines with a combined cement production capacity of 2Mt/yr in Anshun City, Guizhou. Also in 2020 the group commissioned one new concrete batching plant and shut down two others.

During the reporting year the Group co-processed 183,100t of municipal solid waste, 52,800t of urban sludge with an 80% moisture content and 6100t of hazardous industrial waste. It operates seven co-processing projects with four more either under trial operation or under construction. It also said that it had been following policies for carbon emissions with trial activities conducted in preparation for a future unification of national carbon market. Eight company plants in Guangdong and five in Fujian were reported as having settled their carbon credit quota for 2019.

Other operations of note include the start of Phase 1 of the group’s intelligent manufacturing pilot project at a unit in Tianyang in conjunction with Siemens. The group has also commenced trial operation of its in-house developed intelligent manufacturing system at a cement plant in Pingnan, Guangxi. The project interacts with system quality management systems and advanced kiln controls. The next step will be to use the quality management system at cement plants in Shangsi and Guigang, Guangxi. A so-called ‘lighthouse plant’ is also planned to work with environment, health and safety, operation, production, equipment, quality, mines and logistics at a cement plant in Fengkai County, Guangdong. The group’s platform for sharing auxiliary materials and spare parts was launched in Fujian in April 2020 and has since been rolled out to sites in Guangdong, Guangxi and Hainan. Finally, the company’s ‘Smart Card’ logistics system has put into operation at cement plants in Fengkai, Huizhou, Luoding and Dongguan, Guangdong and has been operating at 25 cement production plants by the end of 2020.

In case you’ve missed it there’s been a boom in cement demand in China during the current quarter. Henan province saw a run on cement prices in November 2019 that the local press described as ‘crazy.’ Some companies were issuing price adjustments twice a day, according to the China Cement Association. The article on the CCA’s website also includes a video showing dozens of cement trucks queuing at a mill with the caption ‘all the plants are like this, don’t ask the price any more.’

The CCA’s blamed the situation in Henan on pollution controls on production and a rebound in cement demand. Weather-based pollution controls enacted in late October 2019 shut-down or limited production at 66 of the province’s 72 clinker production lines. Builders were then forced to source cement from neighbouring Shanxi, Hebei and Shaanxi provinces. At the same time demand for cement from real estate and infrastructure sectors picked up in the fourth quarter of 2019. Following advice from the local cement manufacturers’ association, the provincial government relaxed the rules on peak shifting that normally run from November to February in a bid to control the situation. Cement prices in Henan hit a high in mid-to-late November 2019 and have since subsided somewhat.

Nationally, Chinese cement prices hit a high in late November 2019 beating the highest level in 2018 and also setting the highest price since 2011. The key regions driving the increase have been in central and south China, including Guangxi, Guangdong and Henan. One more thing to note here is that peak shifting or seasonal shutdown of production capacity has different dates in different provinces. So, potentially, the situation could repeat itself if unexpected demand continues and provincial governments fail to monitor the situation.

Recently a couple of economic indicators in China have suggested a recovery in infrastructure spending in recent months, supporting increased cement demand. Data from Wind quoted by the Financial Times newspaper suggests that the cement price rose by 15% since September 2019 in large cities. Reinforced steel (rebar) and aggregates prices have increased similarly. At the same time the South China Post newspaper has reported a growth in the Purchasing Managers’ Index (PMI), an indicator of manufacturing activity that could also point to renewed infrastructure spending. Central government is also reported to be taking measures to support provincial infrastructure development.

If true then this may be creating some pretty direct lessons in economic interventionism. The Chinese government appears to be stimulating demand for cement via infrastructure growth while restricting production at the same time. Cement prices have reacted in a ‘crazy’ fashion. The real tension here is between two conflicting desires: protecting the economy and protecting the environment. The state planners may be grappling with this one for a while.

The publication of CNBM’s financial results presents a good opportunity to take stock of the Chinese cement industry in the first half of 2019. Looking at the big picture first, cement sales rose by 5% year-on-year to 1.03Bnt in the first half of 2019 from 0.98Bnt in the same period in 2018. Graph 1 below shows the sales over the last five years since 2014. Generally, sales are decreasing each year but there has been some variation in the half-year periods.

Graph 1: Cement sales in China, 2014 – 2019. Source: National Bureau of Statistics of China.

As the China Cement Association (CCA) pointed out in its summary for the first half of 2019, the cement industry ‘swelled in volume and price’ as industry efficiency grew but that the growth rate dropped ‘significantly’ compared in 2018. By region, as Graph 2 shows, variation can be seen between the south-east of the country where growth was slow or even fell compared to stronger performance elsewhere. Cement production increased by above 20% in Jilin, Shanxi, Shandong, Tibet and Heilongjiang and by over 10% in Hebei, Gansu, Tianjin, and Liaoning. However, it fell in Hainan, Beijing, Qinghai, Guizhou, Guangxi, Hunan, Guangdong and Ningxia. Most of these changes were attributed to either rising or falling demand for cement, except for Jilin where reduced imports from neighbouring provinces pushed up its demand. In most of these latter regions it attribute the decline to falling demand for cement.

Graph 2: Cement production growth by province in first half of 2019. Source: China Cement Association.

Other points of note from the CCA include the surge in imports to China. Imports of cement and clinker rose by 149% year-on-year to 8.97Mt in the five months from January to May 2019. Vietnam supplied 68% of this followed by 11% from Thailand. On the production side, 10 new production lines with a total capacity of 15.5Mt/yr were commissioned in the period. These were fairly scattered across nine provinces, in Shanxi, Anhui, Hubei, Fujian, Guangxi, Hunan, Guizhou, Gansu and Yunnan respectively.

Sales and profits were supported by growing demand and prices on the corporate side. CNBM’s operating income for its cement businesses grew by 16% to US$8.14bn from US$7.04bn. Its adjusted profit increased by 40% to US$2.76bn from US$1.98bn. Anhui Conch’s sales rose by 17.9% to US$2.15bn from US$2.11bn. It blamed poorer profits in the south of the country on adverse weather leading to weakened demand.

The weaker sales in the south could be seen in China Resources Cement’s (CRC) results with its turnover down by 6% to US$2.22bn from US$2.36bn. Likewise, its earnings before interest, taxation, depreciation and amortisation (EBITDA) dropped by 8.5% to US$820m from US$896m. The majority of its cement plants are based in Guangxi, Guangdong and Fujian. Jidong Cement was also reported as having received US$30m in subsidies from the government during the first half of 2019 in relation to its ‘daily activities.’

As is usual for these kinds of roundups the dynamic in China is between government industrial policies, like peak shifting and pollution mitigation, and local demand and price trends. One of the latest spins on peak shifting, for example, is a rating system that is being considered to decide which companies should be subject to production limits and for how long. General cement sales are slowly falling each year but the rise of imports into the word’s biggest cement producing nation (!) mark an interesting trend. Also, it may not be connected, but lots of those provinces with falling demand so far in 2019 are those on the south coast facing the heavy clinker exporting nations of South-East Asia. Given the decisiveness with which the Chinese government dispensed with imports of waste materials under its National Sword initiative since 2017, those countries importing cement to China should beware. It could change very quickly. The Chinese cement market is never dull.

China: China Resources Cement’s turnover fell by 6.7% year-on-year to US$957m in the first quarter of 2019 from US$1.03bn in the same quarter of 2018. Its profit fell by 16% to US$189m from US$226m. Its cement sales volumes dropped by 7.7% to 15.2Mt from 16.5Mt, clinker sales fell by 2% to 1.16Mt from 1.18Mt and concrete volumes declined by 15% to 2.58Mm³ from 3.03Mm³. Sales volumes fell in the company’s main markets in Guangdong and Guangxi.

China: Guangdong Tapai has ordered two coal mills from Germany’s Loesche for its two 10,000t/day clinker production lines in Jiaoling, Meizhou in Guangdong. This is a repeat order, following an order for two LM 35.3 D coal mills that was made in 2015. The 3-roller mill grinds 50t/hr of pulverised coal to a fineness of 3% with a sieving residue of 0.08 mm. The installed power is 1200kW. The order has been placed through Loesche Shanghai and the two newly ordered coal mills are expected to be delivered in April 2019.

There is plenty to mull over on the Chinese cement market at the moment as the half-year reports for the major cement producers are being published. Anhui Conch revealed this week a glowing balance sheet with a 33% jump in its sales revenue to US$4.79bn. It attributed the boost to a ‘significant’ increase in prices and continued discipline with production and operation costs. Although CNBM is scheduled to release its results at the end of August 2017, Anhui Conch appear to be well ahead of its next largest rivals locally as can be seen in Graph 1.

Graph 1: Sales revenue of major selected Chinese cement producers. Sources: Company financial results.

Beyond the headline figures it is interesting to pinpoint the areas in China where Anhui Conch says it isn’t doing as well. Its South China region, comprising Guangdong and Guangxi provinces, suffered from competition in the form of new production capacity, which also in turn dented prices. Despite this ‘black spot’ in the company’s regional revenue still grew its sales in double-digits by 14%.

The other point to note is the growing number of overseas projects with the completion of a cement grinding plant in Indonesia, new plants being built in Indonesia, Cambodia and Laos, and projects being actively planned in Russia, Laos and Myanmar. The cement producer also opened seven grinding plants at home in China during the reporting period. It’s not there yet but it will mark a serious tipping point when the company starts to open more plants outside of China than within it. With the government still pushing for production capacity reduction it can only be a matter of time. On that last point China Resources Cement (CRC) reckoned in its half-year results that only four new clinker production lines, with a production capacity of 5.1Mt/yr, were opened in China in the first half of 2017.

After a testing year in 2016 CRC’s turnover has picked up so far in the first-half of 2017 as its sales revenue for the period rose by 17% to US$1.67bn. Despite its cement sales volumes falling by 9% to 33.6Mt, its price increased. Given that over two thirds of its cement sales arose from Guangdong and Guangxi it seems likely that CRC suffered from the same competition issues that Anhui Conch complained about.

Graph 2: Chinese cement production by half year, 2014 – 2017. Source: National Bureau of Statistics of China.

Graph 2 adds to the picture of a resurgent local cement industry suggesting that the Chinese government’s response to the overcapacity crisis may be starting to deliver growth again. After cement production hit a high in 2014 in fell in 2015 and started to revive in 2016. So far 2017 seems to be following this trend.

Returning to the foreign ambitions of China’s cement producers brings up another story from this week with news about the Nepalese government’s decision to delay signed an investment agreement with a Chinese joint venture that is currently building a cement plant in the country. With the prime minister visiting India the local press is painting it as a face-saving move by the Nepalese to avoid antagonising either of the country’s main infrastructure partners. This is relevant because the cement industries of both China and India are starting look abroad as they consolidate and rationalise. Once China’s cement producer start building more capacity overseas than at home, conflicts with Indian producers are likely to grow and present more awkward situations for states caught in the middle.

China: China Resources Cement has started operation at its 6000t/day cement plant in Lianjiang, Guangdong. The integrated cement plant is aimed at markets in the west of Guangdong and the southeast of Guangxi. The company has completed the construction of all of its planned production lines in Guangdong. Its total clinker and cement production capacities in Guangdong are 14.4Mt/yr and 22.5Mt/yr respectively.