Mercedes Mullins
The cost of ship fuel is a highly variable figure, influenced by a range of factors, from the size of the ship and the speed of its journey to the type of fuel used and the regulatory environment. Fuel is one of the highest costs in operating a ship, and with good reason: a large cruise ship, for example, can use up to 250 tons of fuel per day, and a single 28-day round trip for a large container vessel can produce a fuel bill of over $3 million. With the price of ship fuel spiking in recent years, the cost of maritime trade and travel is increasingly vulnerable to fluctuations in the energy market.
| Characteristics | Values |
|---|---|
| Cost of bunker fuel | $552 per ton |
| Fuel consumption of a large modern container vessel used in Trans-Pacific trade | 217 tons per day |
| Fuel cost for a single 28-day round trip voyage for a large modern container vessel | $3,353,952 |
| Difference in price between HFO and LSFO | $200 per tonne |
| Additional cost for a 20,000 TEU ship | $50,000 a day |
| Current cost of LSFO | $600 per tonne |
| Cost of installing a scrubber system for a 20,000 TEU ship | $8 million |
| Average cost of VLSFO at the world's top 20 refueling hubs | $668.50 per ton |
| Maximum amount of fuel a large cruise ship can use | 250 tons or 80,000 gallons of gas per day |
| Fuel cost for a cruise ship with 1000 passengers and 700 crew members on a seven-day cruise | $105,000 |
| Fuel cost for Royal Caribbean's Harmony of the Seas (227,000 gross tons) | $200,000 per day |
| Fuel cost for Royal Caribbean's Freedom of the Seas (154,407 gross tons) | $115,000 per day |
| Fuel cost for Norwegian Spirit (75,500 gross tons) | $80,000 per day |
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What You'll Learn
The cost of ship fuel is dependent on the size of the ship
The cost of ship fuel is influenced by various factors, with ship size being a significant consideration. Larger vessels, such as cruise liners and container ships, tend to have higher fuel costs due to their increased fuel consumption. For instance, a large cruise ship can burn up to 250 tons of fuel daily, translating to over 80,000 gallons of gas. Consequently, the daily fuel expense for a cruise ship can range from $80,000 to $200,000. Royal Caribbean's Harmony of the Seas, for example, incurs $200,000 in daily fuel costs, while its smaller counterpart, Freedom of the Seas, spends $115,000 per day.
In the context of container ships, the fuel expenditure is influenced by the ship's size and fuel efficiency. A large container vessel with a capacity of 7,750 twenty-foot equivalent units (TEUs) or 3,875 forty-foot equivalent units (FEUs) may consume 217 tons of bunker fuel per day at a cost of $552 per ton, resulting in a substantial fuel bill for a single 28-day round trip.
The International Maritime Organization's (IMO) regulations aimed at reducing maritime pollution have also impacted ship fuel costs. Ships can either switch to more expensive low-sulphur fuels or install scrubber systems to comply with emissions restrictions. The former option increases fuel costs, with low-sulphur fuel oil (LSFO) priced at $600 per tonne. For a 20,000 TEU ship, this could mean an additional $50,000 in daily fuel expenses. Alternatively, installing scrubbers carries a significant upfront cost of around $8 million, but this investment can be recouped in approximately six months.
The size of a ship also influences its ability to adopt alternative fuels and technologies. Larger vessels, particularly those specializing in long-haul runs, are more likely to utilize scrubbers to comply with emissions regulations. According to Clarksons Securities, scrubbers are currently employed by 52% of very large crude carriers and 56% of large container ships with a capacity of 8,000 twenty-foot equivalent units or more. The higher the discount of high-sulphur fuel oil (HSFO) to very-low-sulphur fuel oil (VLSFO), the more economical it becomes for ship operators to use scrubbers.
In summary, the cost of ship fuel is closely tied to the size of the vessel. Larger ships generally consume more fuel and are subject to higher fuel costs. Additionally, regulatory measures to reduce emissions have presented ship owners with the choice between adopting costlier low-sulphur fuels or investing in scrubber technology, further influencing the overall fuel expenses based on the size and specific characteristics of the ship.
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Fuel costs are one of the highest expenses for cruise ships
The cost of ship fuel has been a concern for the shipping industry for several years, and it is one of the highest expenses for cruise ships. The cost of freight may have returned to pre-COVID levels, but fuel remains a significant expense for shipping companies. The price of ship fuel has been volatile, with prices hitting a new wartime peak during the Russia-Ukraine war. The average cost of VLSFO at the top 20 refuelling hubs was $668.50 per ton, up 16% from early June.
Fuel costs for cruise ships are difficult to determine, as they depend on various factors. The size of the ship, the number of days spent at sea, and the fuel efficiency of the vessel all play a role in determining the cost of fuel. A larger cruise ship can burn up to 250 tons of fuel per day, which is over 80,000 gallons of gas. The speed of the ship is also a factor, as faster speeds require more power and fuel to maintain.
The fuel costs for a seven-day cruise on a ship with 1000 passengers and 700 crew members can be around $105,000. This equates to approximately $15,000 per day. Bigger cruise lines operating larger ships and more sails will have much higher fuel costs. For example, Royal Caribbean's Harmony of the Seas spends $200,000 per day on fuel, while its Freedom of the Seas spends $115,000 per day.
To reduce fuel costs, some ships have switched to diesel or liquefied natural gas (LNG). Installing scrubbers to clean exhaust emissions is another option, but this technology can cost around $8 million. The high cost of ship fuel has led to discussions about reducing maritime pollution and imposing a global cap on SOx emissions. These decisions could further impact the already substantial fuel costs for cruise ships and the shipping industry.
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The speed of a ship impacts how much fuel it uses
The speed of a ship does indeed impact how much fuel it uses. A ship travelling at a slower speed will use less fuel than a ship travelling at a higher speed. This is due to the fact that fuel consumption by a containership is mostly a function of ship size and cruising speed, which follows an exponential function above 14 knots. For example, a containership of around 8,000 TEU would consume about 225 tons of bunker fuel per day at 24 knots. However, at 21 knots, this consumption drops to about 150 tons per day, a 33% decline.
This relationship between ship speed and fuel consumption has led to the practice of "slow steaming", where ship engines are run below capacity to save on fuel consumption. Slow steaming typically involves operating engines at around 80% of full power capacity, which results in a cruising speed of 18-20 knots. While this approach can lead to significant fuel savings, it comes at the expense of increased travel time, particularly over long distances.
The decision to adopt slow steaming must consider the type of trade involved. For example, the transport of low-value goods, such as waste products, may be less impacted by longer transit times compared to time-sensitive industries like retail. Additionally, slow steaming can impact supply chain management, maritime routes, and the use of transshipment hubs.
Other factors also influence fuel consumption, such as ship draft and displacement, weather force and direction, and hull and propeller roughness. Taking these factors into account, ship owners can use statistical algorithms to estimate fuel consumption for a future voyage and make informed decisions to optimise fuel efficiency and reduce environmental impact.
In addition to slow steaming, ship owners can also comply with tighter emissions controls by switching to lower-sulphur fuels or investing in scrubber technology to clean exhaust emissions. These options come with additional costs, and the choice between them depends on various factors, including the size of the ship and the expected payback period.
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The price of ship fuel has been increasing
One of the primary factors contributing to the increase in ship fuel prices is the push for more environmentally friendly and sustainable practices in the maritime industry. To reduce maritime pollution, the International Maritime Organization (IMO) is considering imposing a global cap on sulphur emissions. This decision will significantly impact the type of fuel ships can use, as they will need to switch from high-sulphur bunker fuels to more expensive alternatives, such as low-sulphur fuel oil (LSFO) or liquefied natural gas (LNG). The cost of LSFO, for example, is currently around $600 per tonne, a notable increase from $460 just 12 months ago.
The use of exhaust-gas scrubbers offers a different approach to complying with tighter emissions regulations. Ships that utilize scrubbers can continue burning cheaper high-sulphur fuel oil (HSFO). However, the effectiveness of this option depends on the discount of HSFO to very-low-sulphur fuel oil (VLSFO). When the spread is under $100 per ton, investing in scrubber installations is generally not considered economical. As of June 2020, the spread collapsed to around $60 per ton due to the COVID lockdowns, raising questions about the profitability of scrubber investments.
The price of ship fuel has also been influenced by geopolitical events, such as the Russia-Ukraine war, and the invasion of Ukraine. The cost of ship fuel spiked to a historic high of $1,000 per ton during the war, and it has been higher than recent levels four times before the aforementioned events: during the brief period after the IMO 2020 implementation in January 2020, between 2011 and 2013 when crude oil exceeded $100 per barrel, and briefly in 2008 when oil prices surged past $150 per barrel.
The increasing cost of ship fuel has significant implications for the shipping industry. For cruise ships, fuel is one of the highest expenses, with daily fuel costs ranging from $80,000 to $200,000 or more for larger ships. These costs can vary based on factors such as the size of the ship, the number of days spent at sea, fuel efficiency, and speed. A faster cruise ship, for example, will consume more fuel due to the increased power required to propel it forward.
The rising cost of ship fuel has also impacted freight rates and the supply chain. With fuel costs playing a more prominent role, the industry is facing new challenges in managing expenses and maintaining efficient operations.
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Ships that 'scrub' emissions can use cheaper fuel
The cost of ship fuel has been a concern for several years, with the price of ship fuel hitting a new wartime peak during the Russia-Ukraine war. The cost of freight fuel has also been impacted by the COVID-19 pandemic and the invasion of Ukraine.
The shipping industry uses a huge amount of fuel, with more than 300 million tons of fossil fuels burned every year, which is roughly 5% of global oil production. The burning of ship bunker fuel emits gases called sulfur oxides (SOx), which are harmful to human health and the environment. To combat this, the International Maritime Organization (IMO) imposed a global cap on SOx emissions, lowering the maximum allowable sulfur content in bunker fuel from 3.5% to 0.5%. This means ships now have to use more expensive fuel with lower sulfur content, such as very low sulfur fuel oil (VLSFO).
However, ships that are fitted with scrubbers to clean their exhaust emissions can continue to use the cheaper, high-sulfur fuel oil (HSFO). Scrubbers are widely used by larger vessels that specialize in long-haul runs, as they spend most of their time in transit, burning fuel. The higher the discount of HSFO to VLSFO, the more money ship operators save by using scrubbers. The installation of scrubbers can cost around $2-$3 million per ship, but this outlay can be recouped in fuel savings in as little as six months.
Some shipping companies have been criticized for using open-loop scrubbers, which discharge wastewater into the ocean, polluting marine ecosystems. However, scrubbers have allowed ships to reduce their emissions and utilize cheaper fuel.
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Frequently asked questions
The cost of ship fuel depends on various factors, such as the size of the ship, the number of days spent at sea, the fuel efficiency of the ship, and the speed of the ship. The cost of ship fuel can range from $80,000 to $200,000 per day, with larger ships having higher fuel costs.
Several factors affect the cost of ship fuel, including the size of the ship, the type of fuel used, and the presence of exhaust-gas scrubbers. Larger ships typically have higher fuel costs due to their increased fuel consumption.
The cost to fuel a cruise ship can vary depending on the size of the ship and the number of days spent at sea. A large cruise ship can use up to 250 tons of fuel per day, equivalent to over 80,000 gallons of gas. The fuel cost for a seven-day cruise can be approximately $105,000.
The average cost of ship fuel per ton can vary depending on the type of fuel and the market conditions. As of September 2023, the average cost of VLSFO at the top 20 refueling hubs was $668.50 per ton, while low-sulphur fuel oil (LSFO) was around $600 per ton.
Fuel costs are a significant expense for the shipping industry, and they can fluctuate widely due to various factors such as market demand, geopolitical events, and environmental regulations. Rising fuel costs can impact freight rates and supply chain costs, ultimately affecting the prices of goods transported by ships.
