Energy
Ranked: The Largest Oil and Gas Companies in the World
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The Largest Oil & Gas Companies in 2021
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The pandemic brought strong headwinds for the oil and gas industry, and oil majors felt the blow.
Global primary energy consumption fell by 4.5% relative to 2019 and oil demand declined by 9%. For a brief period in April 2020, the price of West Texas Intermediate (WTI) crude futures went subzero, marking the largest one-day price plunge since 1983.
Some expected the demand crash to have a lasting impact on the industry, but it’s safe to say that 2021 has proved otherwise.
Oil Resurfaces as Energy Crisis Deepens
The world is facing a shortage of energy, and peak winter is yet to hit most parts of the globe.
Pandemic-induced supply restraints from producers, in addition to rising energy demand from recovering economies, have sent nations scrambling for petroleum products. Consequently, oil prices are resurfacing to pre-pandemic levels.
As of today, prices of WTI crude futures are at their highest levels in the last five years at over $80 per barrel. Furthermore, U.S. natural gas prices hit a 7-year high of $6.5 per million British thermal units (BTU) earlier this month. Elsewhere, European benchmark natural gas futures have surged 1,300% since May 2020.
Of course, the largest oil and gas companies are riding this wave of resurgence. Using data from CompaniesMarketCap.com, the above infographic ranks the top 20 oil and gas companies by market cap as of October 7, 2021.
Big Oil: The Largest Oil and Gas Companies by Market Cap
Given that we often see their logos at gas stations, the largest oil and gas companies are generally quite well-known. Here’s how they stack up by market cap:
| Rank | Company | Market Cap* (US$, billions) | Country |
|---|---|---|---|
| 1 | Saudi Aramco | $1,979 | Saudi Arabia 🇸🇦 |
| 2 | ExxonMobil | $257.30 | U.S. 🇺🇸 |
| 3 | Chevron | $205.29 | U.S. 🇺🇸 |
| 4 | Shell | $175.28 | Netherlands 🇳🇱 |
| 5 | PetroChina | $162.55 | China 🇨🇳 |
| 6 | TotalEnergies | $130.56 | France 🇫🇷 |
| 7 | Gazprom | $121.77 | Russia 🇷🇺 |
| 8 | ConocoPhillips | $95.93 | U.S. 🇺🇸 |
| 9 | BP | $93.97 | U.K. 🇬🇧 |
| 10 | Rosneft | $84.07 | Russia 🇷🇺 |
| 11 | Equinor | $83.60 | Norway 🇳🇴 |
| 12 | Enbridge | $82.82 | Canada 🇨🇦 |
| 13 | Sinopec | $80.48 | China 🇨🇳 |
| 14 | Novatek | $79.18 | Russia 🇷🇺 |
| 15 | Duke Energy | $78.08 | U.S. 🇺🇸 |
| 16 | Petrobras | $69.91 | Brazil 🇧🇷 |
| 17 | Southern Company | $66.64 | U.S. 🇺🇸 |
| 18 | Lukoil | $64.70 | Russia 🇷🇺 |
| 19 | CNOOC | $52.04 | China 🇨🇳 |
| 20 | Enterprise Products | $50.37 | U.S. 🇺🇸 |
*As of October 7, 2021.
Saudi Aramco is one of the five companies in the trillion-dollar club as the world’s third-largest company by market cap. Its market cap is nearly equivalent to the combined valuation of the other 19 companies on the list. But what makes this figure even more astounding is the fact that the company went public less than two years ago in December 2019.
However, the oil giant’s valuation doesn’t come out of the blue. Aramco was the world’s most profitable company in 2019, raking in $88 billion in net income. Apple took this title in 2020, but high oil prices could propel Aramco back to the top in 2021.
Although Standard Oil was split up a century ago, its legacy lives on today in the form of Big Oil. ExxonMobil and Chevron—the second and third-largest companies on the list—are direct descendants of Standard Oil. Furthermore, Shell and BP both acquired assets from Standard Oil’s original portfolio on the road to becoming global oil giants.
The geographical distribution of the largest oil and gas companies shows how global the industry is. The top 20 oil and gas companies come from 10 different countries. The U.S. hosts six of them, while four are headquartered in Russia. The other 10 are located in one of China, Brazil, Saudi Arabia, or Europe.
Big Oil, Bigger Emissions
Due to the nature of fossil fuels, the biggest oil and gas companies are also among the biggest greenhouse gas (GHG) emitters.
In fact, Saudi Aramco is the world’s largest corporate GHG emitter and accounts for over 4% of the entire world’s emissions since 1965. Chevron, Gazprom, ExxonMobil, BP, and several other oil giants join Aramco on the list of top 20 GHG emitters between 1965 and 2017.
Shifting towards a low-carbon future will undoubtedly require the world to rely less on fossil fuels. But completely shunning the oil and gas industry isn’t possible at the moment, as shown by the global energy crisis.
Energy
5 Ways Nuclear Power Can Enable an Energy Utopia
From clean electricity to high reliability, this graphic explores the five key advantages of nuclear power in the clean energy transition.
5 Ways Nuclear Power Can Enable an Energy Utopia
The phrase Energy utopia describes a hypothetical and sustainable state of the world where energy is clean, affordable, and accessible.
Despite the challenges on the road to achieving an energy utopia, such a state is attainable if the world invests in clean, reliable technologies that can meet our rising energy needs—and nuclear power is one such technology.
This infographic sponsored by CanAlaska Uranium explores five ways nuclear power can unlock a state of energy utopia. This is Part 2 of 4 in the Road to Energy Utopia series.
#1: High Reliability
Nuclear power plants run 24/7 and are the most reliable source of sustainable energy.
Nuclear electricity generation remains steady around the clock throughout the day, week, and year. Meanwhile, daily solar generation peaks in the afternoon when electricity demand is usually lower, and wind generation depends on wind speeds.
As the use of variable solar and wind power increases globally, nuclear offers a stable and reliable backbone for a clean electricity grid.
#2: Clean Electricity
Nuclear reactors use fission to generate electricity without any greenhouse gas (GHG) emissions.
Consequently, nuclear power is the cleanest energy source on a lifecycle basis, measured in CO2-equivalent emissions per gigawatt-hour (GWh) of electricity produced by a power plant over its lifetime.
The lifecycle emissions from a typical nuclear power plant are 273 times lower than coal and 163 times lower than natural gas. Furthermore, nuclear is relatively less resource-intensive, allowing for lower supply chain emissions than wind and solar plants.
#3: Stable Affordability
Although nuclear plants can be expensive to build, they are cost-competitive in the long run.
Most nuclear plants have an initial lifetime of around 40 years, after which they can continue operating with approved lifetime extensions. Nuclear plants with lifetime extensions are the cheapest sources of electricity in the United States, and 88 of the country’s 92 reactors have received approvals for 20-year extensions.
Additionally, according to the World Nuclear Association, nuclear plants are relatively less susceptible to fuel price volatility than natural gas plants, allowing for stable costs of electricity generation.
#4: Energy Efficiency
Nuclear’s high energy return on investment (EROI) exemplifies its exceptional efficiency.
EROI measures how many units of energy are returned for every unit invested in building and running a power plant, over its lifetime. According to a 2018 study by Weissbach et al., nuclear’s EROI is 75 units, making it the most efficient energy source by some distance, with hydropower ranking second at 35 units.
#5: Sustainable Innovation
New, advanced reactor designs are bypassing many of the difficulties faced by traditional nuclear plants, making nuclear power more accessible.
- Small Modular Reactors (SMRs) are much smaller than conventional reactors and are modular—meaning that their components can be transported and assembled in different locations.
- Microreactors are smaller than SMRs and are designed to provide electricity in remote and small market areas. They can also serve as backup power sources during emergencies.
These reactor designs offer several advantages, including lower initial capital costs, portability, and increased scalability.
A Nuclear-Powered Future
Nuclear power is making a remarkable comeback as countries work to achieve climate goals and ultimately, a state of energy utopia.
Besides the 423 reactors in operation worldwide, another 56 reactors are under construction, and at least 69 more are planned for construction. Some nations, like Japan, have also reversed their attitudes toward nuclear power, embracing it as a clean and reliable energy source for the future.
CanAlaska is a leading exploration company in the Athabasca Basin, the Earth’s richest uranium depository. Click here to learn more now.
In part 3 of the Road to Energy Utopia series, we explore the unique properties of uranium, the fuel that powers nuclear reactors.
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