Displaying items by tag: Electricity

This week’s Virtual Global CemPower Seminar included an assessment on how interventions in European power markets might affect efforts to decarbonise industry. The presentation by Thekla von Bülow of Aurora Energy Research outlined how different countries in the European Union (EU) were implementing the forthcoming electricity price cap on ‘inframarginal’ producers to 180Euro/MWh. Each of these different proposals will entail differing levels of structural change to the wholesale energy market. For example, the Agency for the Cooperation of Energy Regulators (ACER) has recommended establishing a series of frameworks including a stronger focus on Contracts for Difference (CfD) schemes to promote renewable energy sources.

These changes are a consequence of the EU’s response to the Russian invasion of Ukraine. Gas prices surged and then pushed up other energy prices in turn to record levels. As this column covered in September 2022, the price of electricity shot up in the summer of 2022 whilst at the same time Russian gas imports ceased. Cembureau, the European Cement Association, called for urgent action to be taken to support cement production due to large increases in the cost of electricity. For example, in its latest overview of the German cement industry, the German Cement Works Association (VDZ) said that the sector has an electrical consumption of 30TWh/yr. Clearly energy policy is of great interest to the industry.

Since then, in late September 2022, Heidelberg Materials’ chief executive officer Dominik von Achten told Reuters that his company was preparing to shift production at its Germany-based plants to times and days when power prices are lower including at the weekend. However, this was dependent on negotiations with the unions. Von Achten also warned of plant closures being a possibility. Then, in November 2022, it emerged that Zementwerk Lübeck’s grinding plant in northern Germany had reportedly been only operating its grinding plant at night and at the weekend due to high electricity prices. Also in November 2022 European energy news provider Energate Messenger reported that Heidelberg Materials was preparing its cement plants in Germany with emergency backup power to keep critical services running in the case of electricity power cuts. One view from the outside came from equipment supplier FLSmidth’s third quarter results where it noted it had, “...started to see the first cases of budget constraints imposed by customers to counter the increasing energy cost. A high utilisation is still driving service activity in Europe, but some customers have put large capital investments on stand-by and we have experienced a slowdown in decision-making processes.” On the other hand it also pointed out that this trend is driving sales of products that helped reduce energy usage and/or switch to alternative fuels.

On the financial side, Holcim reiterated in its half-year report that, on the country, level the group uses a mixture of fixed price contracts, long-term power purchase agreements, on-site power generation projects and increased consumption of renewable energy at competitive prices to reduce the volatility from its energy bills. Both Cemex and Heidelberg Materials said similar things in their third quarter results conference calls. Cemex said that nearly 70% of its electricity requirements in Europe were fixed in 2022 with nearly 30% fixed for 2023. It went on to reveal that around 20% of its total costs for cement production in Europe derived from its electricity bill. Interestingly, it added that a higher proportion of its electricity costs in Germany were fixed than elsewhere in Europe, due to the use of a waste-to-electricity system owned by a third party that is fed with refuse-derived fuel (RDF), but that it was more exposed to floating fuel rates in Spain. Heidelberg Materials added that it supported energy price caps in both Germany and the EU whether they affected it directly or not.

So far it has been a mild start to winter in Europe. This may be about to change with colder weather forecast for December 2022. This will stress test the EU’s energy saving preparations and in turn it could force the plans of industrial users, such as the cement sector, to change. Some of the cement producers have commented on the financial implications of rising fuel costs but they have been quieter publicly about how they might react if domestic consumers are prioritised. Plant shutdowns throughout cold snaps are the obvious concern but it is unclear how likely this is yet. The variety of energy policies between fellow member states, their own supply situations and the differences between cement plants even in the same country suggest considerable variation in what might happen. If large numbers of cement plants do end shutting throughout any colder periods, then one observation is that it will look similar to winter peak shifting (i.e. closure) of plants in China. The more immediate worry in this scenario though is whether these plants actually reopen again.

The proceedings pack from the Virtual Global CemPower Seminar is available to buy now

UK: C-Capture won an IChemE Global Award in the Energy category for its solvent-based carbon capture system. C-Capture's model differs fundamentally from currently commercially available systems, offering a lower energy penalty than technologies including amine-based capture. It is robust in handling impurities in flue gases, including O₂, SO_x and NO_x, while offering competitive cost and safety performance.

CEO Tom White said “Being shortlisted was honour enough, but to win the global Energy award is fantastic recognition for the C-Capture team and our unique carbon capture technology. The IChemE Global Awards represent the pinnacle of excellence in chemical process engineering. This achievement is testament to our exceptional team and their commitment to accelerating the global adoption of carbon capture and storage to achieve net zero by preventing greenhouse gases from entering the atmosphere.”

Germany: Zementwerk Lübeck is reportedly only operating its grinding plant at night and at the weekend due to high electricity prices. Norddeutscher Rundfunk (NDR) reports that the cement producer has also been forced to suspend production at times. However, government support is expected to help the plant to continue operation into 2023. NDR also reports that 80% of industrial plants in Schleswig-Holstein are threatened by energy costs. Zementwerk Lübeck operates a 0.3Mt/yr cement grinding plant at Lübeck.

Sweden: Germany-based KIMA Process Control has secured a contract for the supply of a kiln shell cooling system for Cementa's Slite cement plant in Gotland. 88 water jets will deliver centimetre-precision cooling for the 55m-long kiln, while IR pyrometers measure temperatures over areas of 10cm². According to KIMA Process Control, the equipment can avoid unnecessary cooling of the kiln shell, conserving the heat energy supplied by the main burner.

The new cooling system will eliminate the use of energy intensive electric fans, slashing 1700t/yr in CO₂ emissions, according to the supplier. It said that noise emissions will also 'drastically' decline as a result of the upgrade. The system's operating costs are reportedly 98% less than those of the plant's existing fan system.

The supplier said that the new equipment will 'bring the cement plant in Slite an economic benefit in the shortest possible time.' It said "For the cement industry, this project represents a new milestone in terms of best available technology in the operation of rotary kilns."

India: Dalmia Cement (Bharat) is among buyers which will receive a supply of renewable energy from Sunsure Energy's new 74MW Tirunelveli open access solar power plant in Tamil Nadu. Press Trust of India News has reported that the solar power provider built the plant in three phases, with the first commencing in January 2022.

Project head Tarunveer Singh said "This is our largest single-site installation and one of the largest open access projects in the renewable energy-rich state of Tamil Nadu. Credit goes to our on-site team for completing this project in time, despite execution challenges posed by the weather and the daunting supply chain constraints plaguing the solar sector."

Sunsure Energy commands 250MW of solar power across 16 Indian states.

Egypt: Suez Cement has partnered with Intro Power and Utilities for the construction of a 20MW solar power plant at its Suez cement plant. From its commissioning in early-mid-2023, the installation will provide the plant with 45GWh of energy annually, 20% of its annual consumption. Suez Cement says that this will eliminate 22,000t/yr-worth of CO₂ emissions. Construction is expected to cost US$350m and commence in 2023.

Suez cement aims to achieve specific CO₂ emissions of 400kg/t of cementitious product by 2030, down by 47% from 1990 levels.

Managing director Mohamed Hegazy said “Through transitioning to renewable solar energy, we are looking at long-term economic benefits, laying the foundation for a low-carbon business and energy security, without jeopardising the health of our environment. We are proud about this new milestone and to be one of the few cement players in Egypt taking this step towards using a more affordable and cleaner energy."

Thailand: Siam Cement Group (SCG) recorded revenues of US$11.8bn during the first nine months of 2022, up by 15% year-on-year from US$10.2bn in the corresponding period of 2021. Its earnings before interest, taxation, depreciation and amortisation (EBITDA) declined by 26% to US$1.37bn from US$1.86bn.

SCG recorded nine-month costs growth of 15%, to US$3.29bn from US$2.85bn. The Bangkok Post newspaper has reported that the group says that its monthly energy costs have risen by 50% since the outbreak of the Russia-Ukraine war. As such, it is currently focusing its investments on three ‘key’ business areas with smaller energy consumptions than cement. These are smart living, renewable energy and logistics.

SCG renewables subsidiary SCG Cleanergy aims to more than double its renewable power generation capacity to 500MW before 2026 and further increase it to 5GW before 2028. This will consist of wind farms and roof-mounted and floating solar power plants. Meanwhile, SCG Logistics Management secured approval to merge with JWD InfoLogistics on 26 October 2022.

South Africa: Saudi Arabia-based ACWA Power and Industrial Development Corporation of South Africa (IDC South Africa) have partnered to explore the development of green hydrogen infrastructure opportunities in South Africa. Together, they will aim to accelerate the country's transition into a green hydrogen economy across industries including cement production. ACWA Power projected the potential value of developments at US$10bn.

South Africa is committed to achieving net zero CO₂ emissions by 2050.

ACWA Power's vice chair and chief executive officer Paddy Padmanathan said "As a company that is driving the energy transition, ACWA Power is proud to work closely with the IDC, with whom we share a robust working history, and today we are delighted to take our collaboration further. I am confident that our expertise in developing mega-scale green hydrogen projects in other geographies will enable us to successfully create a new avenue of sustainable energy generation - one that will pave the path to further progress.”

India: Ambuja Cements sold 6.7Mt of cement during the second quarter of its 2023 financial year, up by 12% year-on-year. Its standalone revenues were US$443m, up by 13% from second-quarter 2022 financial year levels. Cost growth outstripped sales at 32% year-on-year, resulting in earnings before interest, taxation, depreciation and amortisation (EBITDA) of US$36.7m, down by 57% year-on-year.

CEO Ajay Kapur said "The cement industry has been facing significant margin pressure resulting from a steep rise in global energy prices. However, recent cooling off in energy prices and post-monsoon demand pickup appears to present a silver lining for the coming quarters."

Kapur said that Ambuja Cement's focus is currently on future capacity expansions, with the aim of becoming India's market leader.

Pakistan: Bestway Cement has ignited the 7200t/day kiln at its new Mianwali integrated cement plant in Punjab Province. The plant has 20MW of dedicated solar power capacity and 9MW of waste heat recovery (WHR) power capacity.