Toplofikatsia Ruse Valuation Multiples

Saudi Aramco is the national oil company of Saudi Arabia and holds the exclusive right to explore for, produce, and refine the country’s hydrocarbons. It is the largest oil and gas producer in the world with a production volume of 12.4 mmboe/d in 2024, including 10.8 mmboe/d of liquids. Its 4.1 mmb/d in net refining capacity makes it the world’s fourth-largest refiner. It also owns 57.6 million metric tons of chemical manufacturing capacity, placing it among the top five global chemical companies.

ExxonMobil is an integrated oil and gas company that explores for, produces, and refines oil worldwide. In 2025, it produced 3.3 million barrels of liquids and 8.4 billion cubic feet of natural gas per day. At the end of 2025, reserves were 19.3 billion barrels of oil equivalent, 69% of which were liquids. The company is one of the world's largest refiners, with a total global refining capacity of 4.1 million barrels of oil per day, and is one of the world's largest manufacturers of commodity and specialty chemicals.

Chevron is an integrated energy company with exploration, production, and refining operations worldwide. It is the second-largest oil company in the United States with production of 3.0 million of barrels of oil equivalent a day, including 7.7 million cubic feet a day of natural gas and 1.7 million of barrels of liquids a day. Production activities take place in North America, South America, Europe, Africa, Asia, and Australia. Its refineries are in the US and Asia for total refining capacity of 1.8 million barrels of oil a day. Proven reserves at year-end 2024 stood at 9.8 billion barrels of oil equivalent, including 5.1 billion barrels of liquids and 28.4 trillion cubic feet of natural gas.

PetroChina, the national champion that inherited the majority of Chinese onshore oil and gas assets, has developed into an international supermajor. In 2024, it produced more than 1.7 billion barrels of oil equivalent of oil and gas, and processed 1.4 billion barrels of crude oil. It also has more than 22,000 service stations. The fluctuations in the prices of crude oil, refined products, chemical products, and natural gas have a significant impact on PetroChina’s revenue. State-owned China National Petroleum Corp is PetroChina’s controlling shareholder with a stake of more than 82%.

Shell is an integrated oil and gas company that explores for, produces, and refines oil around the world. In 2024, it produced 1.5 million barrels of liquids and 7.7 billion cubic feet of natural gas per day. At year-end 2024, reserves stood at 9.6 billion barrels of oil equivalent, 48% of which consisted of liquids. Its production and reserves are in Europe, Asia, Oceania, Africa, and North and South America. The company operates refineries with a capacity of 1.6 mmb/d located in the Americas, Asia, and Europe, and sells about 12 million tons per year of chemicals. Its largest chemical plants, often integrated with its local refineries, are in Central Europe, China, Singapore, and North America.

TotalEnergies is an integrated oil and gas company that explores for, produces, and refines oil around the world. In 2024, it produced 1.5 million barrels of liquids and 5.2 billion cubic feet of natural gas per day. At the end of 2024, reserves stood at 11.1 billion barrels of oil equivalent, 54% of which are liquids. During 2024, it had LNG sales of 39.8 million metric tons. The company owns interests in refineries with a capacity of nearly 1.8 million barrels a day, primarily in Europe, distributes refined products in 65 countries, and manufactures commodity and specialty chemicals. At year-end, its gross installed renewable power generation capacity was 26 gigawatts.

NextEra Energy's regulated utility, Florida Power & Light, is the largest rate-regulated utility in Florida. The utility distributes power to over 6 million customer accounts in Florida and owns 36 gigawatts of generation. FP&L contributes roughly 70% of NextEra's consolidated operating earnings. NextEra Energy Resources, the renewable energy segment, generates and sells power throughout the United States and Canada with nearly 40 GW of generation capacity, including natural gas, nuclear, wind, and solar.

ConocoPhillips is a US-based independent exploration and production firm. Its operations are primarily in Alaska and the Lower 48, with footprints in Canada, Europe, Asia-Pacific, the Middle East, and Africa. It also has substantial integrated LNG production and marketing activities across geographies.

Iberdrola is one of the largest utilities in the world with electric utility operations in nearly 40 countries. The company has a 57-gigawatt portfolio of hydro, wind, natural gas, and nuclear power plants. It is one of the largest owners of wind farms in the world, representing about 40% of its portfolio. Although the company has recently developed or acquired distribution and power generation assets in other geographic areas, Spain is still home to more than half of its power generation capacity. Iberdrola also owns and operates electricity and distribution networks in Spain, the UK, Brazil, and the US.

China Shenhua Energy Co Ltd is a globally integrated coal-based energy company, mainly engaging in business segments: Coal, Power generation, Shipping, railway, port, and Coal chemical. Focusing on its core coal mining operation, China Shenhua leverages its self-developed transportation and sales network as well as downstream power plants, coal-to-chemicals facilities, and new energy projects to achieve cross-sector and cross-industry integrated development and operation.

CNOOC is China's main offshore oil and gas exploration and production company. Through its parent company, it has exclusive rights to partner with foreign companies in offshore China projects. Net production for 2024 reached 726.8 million barrels of oil equivalent (78.0% oil), and year-end proven reserves were 7.27 billion barrels of oil equivalent. Assets outside China make up around 32.2% of production.

Petrobras is a Brazil-based integrated energy company controlled by the Brazilian government. The company focuses on exploration and production of oil and gas in Brazilian offshore fields. Production in 2024 was 2.7 million barrels of oil equivalent a day (80% oil production), and reserves stood at 11.4 billion boe (85% oil). At end-2024, Petrobras operated 10 refineries in Brazil with capacity of 1.8 million barrels a day and distributes refined products and natural gas throughout Brazil.

BP is an integrated oil and gas company that explores for, produces, and refines oil around the world. In 2024, it produced 1.2 million barrels of liquids and 6.9 billion cubic feet of natural gas per day. At the end of 2024, reserves stood at 6.2 billion barrels of oil equivalent, 59% of which are liquids. The company operates refineries with a capacity of 1.6 million barrels of oil per day.

Valero Energy is one of the largest independent refiners in the United States. It operates 15 refineries, with a total throughput capacity of 3.2 million barrels a day in the US, Canada, and the United Kingdom. Valero also owns 12 ethanol plants with capacity of 1.6 billion gallons a year and holds a 50% stake in Diamond Green Diesel, which can produce 1.2 billion gallons per year of renewable diesel.

Marathon Petroleum is an independent refiner with 13 refineries in the mid continent, West Coast, and Gulf Coast of the United States with total throughput capacity of 3.0 million barrels per day. Its Dickinson, North Dakota, facility produces 184 million gallons a year of renewable diesel. Its Martinez, California, facility has the ability to produce 730 million gallons a year of renewable diesel. The firm also owns and operates midstream assets primarily through its listed master limited partnership, MPLX.

Equinor is a Norway-based integrated oil and gas company. It has been publicly listed since 2001, but the government retains a 67% stake. Operating primarily on the Norwegian Continental Shelf, the firm produced 2.1 million barrels of oil equivalent per day in 2024 (52% liquids) and ended 2024 with 6.1 billion barrels of proven reserves (42% liquids). Operations also include offshore wind, solar, oil refineries and natural gas processing, marketing, and trading.

China Yangtze Power Co Ltd business activities include hydroelectric power generation, power distribution and sales, overseas power station's operation, management, consultation services, investment, and financing. It has also established its power distribution and sales platforms such as Three Gorges Water Conservancy and Peru LuzdelSur. The company owns the power generation assets of four hydropower plants on the mainstream of the Yangtze River, namely Three Gorges, Gezhouba, Xiluodu, and Xiangjiaba.

Phillips 66 is an independent refiner that owns or holds interest in 10 refineries with a total crude throughput capacity of 1.9 million barrels per day, or mmb/d, at the end of 2025. The midstream segment comprises extensive transportation and NGL processing assets. It includes 70,000 miles of crude oil, refined petroleum product, NGL and natural gas pipeline systems, and a comprehensive set of refined petroleum product, NGL and crude oil terminals, gathering and processing plants and fractionation facilities and various other storage and loading facilities. Its CPChem chemical joint venture operates facilities primarily in the United States and the Middle East and produces olefins and polyolefins.

Enel is a diversified energy company domiciled in Italy. Operations are concentrated in Italy, Spain, and Latin America. The firm's primary activities are electric generation, electric networks, and gas and electricity marketing. Around 35% of the company's EBITDA is derived from its regulated networks, the rest is from generation and supply. Enel is a giant in global power generation with 81 gigawatts of capacity, of which 56 GW is renewables, including a large share of hydro.

Canadian Natural Resources is the largest producer of oil and the second-largest producer of natural gas in Canada. It is principally involved in extracting heavy oils, natural gas, and bitumen through its drilling and mining operations. Bitumen from mining operations is upgraded into synthetic crude oil. Commodities produced are primarily exported to the US via pipeline. The company also has smaller offshore production operations in the North Sea and Africa.

Southern is one of the largest utilities in the US. The company serves 9 million customers with vertically integrated electric utilities in three states and natural gas distribution utilities in four states. It owns 44 gigawatts of rate-regulated generating capacity, primarily for serving customers in Georgia, Alabama, and Mississippi. Subsidiary Southern Power owns 13 gigawatts of natural gas generation and renewable energy across the US and sells the electricity primarily under long-term contracts.

Constellation Energy Corp producer of carbon-free energy and a supplier of energy products and services. The company offers generating capacity that includes nuclear, wind, solar, natural gas, and hydroelectric assets. It sells electricity, natural gas, and other energy-related products and sustainable solutions to various types of customers, including distribution utilities, municipalities, cooperatives, and commercial, industrial, public sector, and residential customers in markets across multiple geographic regions. Its operating segments and reporting units are Mid-Atlantic, Midwest, New York, ERCOT, and Other Power Regions.

Duke Energy is one of the largest US utilities, with regulated utilities in the Carolinas, Indiana, Florida, Ohio, and Kentucky that deliver electricity to more than 8 million customers. Its natural gas utilities serve more than 1.6 million customers.

Suncor Energy Inc is an integrated energy company. The company's operations include oil sands development, production and upgrading, offshore oil production, petroleum refining in Canada and the U.S., and the company's Petro-Canada retail and wholesale distribution networks. The company is developing petroleum resources while advancing the transition to a low-emissions future through investment in power, and renewable fuels. It also conducts energy trading activities focused principally on the marketing and trading of crude oil, natural gas, byproducts, refined products and power. The company's operating segments include Oil Sands, Exploration & Production, Refining & Marketing (R&M), and Corporate & eliminations. Geographically, the company generates a majority of its revenue from Canada.

Eni is an integrated oil and gas company that explores for, produces, and refines oil around the world. In 2024, the company produced 0.8 million barrels of liquids and 4.8 billion cubic feet of natural gas per day. At end-2024, Eni held reserves of 6.5 billion barrels of oil equivalent, 46% of which are liquids. The Italian government owns a 30.5% stake in the company. Eni is placing its renewable and low-carbon business in a separate entity called Plenitude, which it will likely list publicly at some point.

National Grid owns and operates the electric transmission system in England and Wales. It sold the bulk of its UK gas transmission business in fiscal 2023 to fund the acquisition of PPL's UK power distribution assets. In the Northeastern United States, it serves electricity and gas customers combined in three states. It also owns regulated transmission and electricity generation in the United States, metering services, merchant transmission lines in the UK, and the Grain (UK) liquefied natural gas facility.

EOG Resources is an oil and gas producer with acreage in several US shale plays, primarily in the Permian Basin and the Eagle Ford. At the end of 2024, it reported net proven reserves of 4.7 billion barrels of oil equivalent. Net production averaged roughly 1,062 thousand barrels of oil equivalent per day in 2024 at a ratio of 69% oil and natural gas liquids and 31% natural gas.

ADNOC Gas PLC is an integrated gas processing company. The Company is responsible for producing, processing, distributing, and marketing natural gas and its derivatives in the UAE and abroad. The company Gas operates a network of pipelines, processing plants, storage facilities, and export terminals that supply gas to various sectors, including power generation, water desalination, petrochemicals, industries, and households. The Company also exports liquefied natural gas (LNG) and liquefied petroleum gas (LPG) to regional and international markets.

Engie is a global energy firm formed by the 2008 merger of Gaz de France and Suez and the acquisition of International Power in 2012. It changed its name to Engie from GDF Suez in 2015. The company operates Europe's largest gas pipeline network in France and a global fleet of conventional and renewable power plants with 67 GW of capacity on a consolidated basis. Engie also operates a diverse suite of other energy businesses.

American Electric Power is one of the largest regulated utilities in the United States, providing electricity generation, transmission, and distribution to more than 5 million customers in 11 states. About 39% of AEP's capacity is coal, with the remainder from a mix of natural gas (28%), renewable energy and hydro (23%), nuclear (7%), and demand response (3%). Vertically integrated utilities, transmission and distribution, and generation and marketing support earnings.

Imperial Oil Ltd is an integrated oil company active in all phases of the petroleum industry in Canada, including the exploration for, and production and sale of, crude oil, natural gas, petroleum products, and petrochemicals. It also pursues lower-emission business opportunities, including carbon capture and storage, hydrogen, lower-emission fuels, and lithium. The company's reportable segments are Upstream, Downstream, and Chemical. Maximum revenue for the company is generated from its Downstream segment, which refines crude oil into petroleum products and distributes and market these products. The Upstream segment explores and produces crude oil, its equivalents, and natural gas, and the Chemical segment manufactures and markets hydrocarbon-based chemicals and chemical products.

Occidental Petroleum is an independent exploration and production company with operations in the United States, Latin America, and the Middle East. At the end of 2024, the company reported net proved reserves of 4.6 billion barrels of oil equivalent. Net production averaged 1.326 million barrels of oil equivalent per day in 2024 at a ratio of roughly 52% oil and natural gas liquids and 48% natural gas.

Cenovus Energy Inc is a Canadian integrated energy group. The group's upstream operations include oil sands projects in northern Alberta; thermal and conventional crude oil, natural gas, and natural gas liquids (NGLs) projects across Western Canada; crude oil production offshore Newfoundland and Labrador; and natural gas and NGLs production offshore China and Indonesia. Its downstream operations include upgrading and refining operations in Canada and the U.S., and commercial fuel operations across Canada. The group's reportable segments are: Oil Sands, Conventional, Offshore, Canadian Refining, U.S Refining, and Corporate and Eliminations. Maximum revenue is generated from its Oil Sands segment. Geographically, the group derives maximum revenue from the U.S., followed by Canada and China.

Cheniere Energy is a liquified natural gas, or LNG, producer with two facilities in Corpus Christi, Texas and Sabine Pass, Louisiana. It generates most of its revenue through long-term contracts with customers on a fixed and variable fee payout structure. It also generates revenue by selling uncontracted LNG to customers on a short or one-time basis. A subsidiary, Cheniere Energy Partners, owns the Sabine Pass facility and trades as a master limited partnership.

Devon Energy is an oil and gas producer with acreage in several top US shale plays. While roughly two-thirds of its production comes from the Permian Basin, it also holds a meaningful presence in the Anadarko, Eagle Ford, and Bakken basins. If the merger with Coterra is successful, it will have a foothold in the gas-driven Appalachian Basin, as well. At the end of 2025, Devon reported net proved reserves of 2.4 billion barrels of oil equivalent, up from 2.2 billion in 2024. Net production averaged roughly 840,000 barrels of oil equivalent per day in 2025 at a ratio of 73% oil and natural gas liquids and 27% natural gas.

Since the deal with E.On, RWE is refocused on power generation, mostly in Europe. It owns 38 gigawatts of power generation capacity: 17% from lignite and hard coal plants, 36% from gas plants, 40% from renewables including pumped storage and batteries. Besides Germany, RWE’s power plants are chiefly located in the United Kingdom, the Netherlands, Turkey, and the United States for many onshore wind farms.

Based in Richmond, Virginia, Dominion Energy is an integrated energy company with over 30 gigawatts of electric generation capacity and more than 90,000 miles of electric transmission and distribution lines. Dominion is constructing a rate-regulated 5.2 GW wind farm off the Virginia Beach coast.

Diamondback is a crude oil and natural gas exploration and production firm whose operations represent a pure-play in the US Permian Basin. The company went public in 2012 and has established itself as a top-tier independent producer through disciplined acquisition and operational excellence. The company's most transformational transaction occurred in September 2024 with the completion of its $26 billion merger with Endeavor Energy Resources, which added around 470,000 net acres and doubled Diamondback's total acreage position. Diamondback boasts an enviable position in the Midland sub-basin, with some of the lowest unit costs among its Permian peers.

Since completing the transformative deal with RWE in 2019, E.On has two core businesses: energy networks and customer solutions. Its retail supply serves around 47 million customers primarily in Germany, the United Kingdom, Eastern Europe, the Netherlands, Belgium, and Sweden. Its networks business operates in Germany, Sweden, Eastern Europe, and Turkey.

Sempra Energy serves one of the largest utility customer bases in the United States. It distributes natural gas and electricity in Southern California and owns 80% of Oncor, a transmission and distribution business in Texas. Sempra Infrastructure partners, of which Sempra will hold a 25% ownership, owns and operates liquefied natural gas facilities in North America and infrastructure in Mexico.

Endesa generates, distributes, and supplies electricity in Spain and Portugal. The company has 21.5 gigawatts of installed generation capacity split among hydroelectric, nuclear, natural gas, oil, solar, and wind. Endesa also supplies gas to retail and business customers in Spain and France.

Entergy is a holding company with five regulated vertically integrated utilities that generate and distribute electricity to 3 million customers in Arkansas, Louisiana, Mississippi, and Texas. It is one of the largest power producers in the country with 27 gigawatts of rate-regulated owned and leased power generation capacity. Entergy was the second-largest nuclear owner in the US before it began retiring and selling its plants in the Northeast in 2014. It sold its two small gas utilities in Louisiana in 2025.

Vistra Corp. is one of the largest power producers and retail energy providers in the USA. It owns 44 gigawatts of generation capacity, including natural gas (27 GW), nuclear (6.5 GW), coal (8.7 GW), and solar and battery storage (1.4 GW). The Cogentrix acquisition will add 5.5 GW of gas generation. Vistra's retail electricity business serves 5 million customers in 20 states, including almost a third of all Texas electricity consumers. Vistra emerged from the Energy Future Holdings bankruptcy as a stand-alone entity in 2016.

Orlen SA is an energy conglomerate that refines and distributes oil in Poland, the Czech Republic, Germany, and Lithuania. Through a group of refineries, it processes crude oil into gasoline, diesel oil, fuel oil, and aviation fuel. The company also produces petrochemicals and products used by chemical companies as feedstock. Additional operations include exploration and production activities in Poland, where it is domiciled, and Canada. Oil products are offered through thousands of service stations, which is supported by logistics infrastructure. This infrastructure includes surface and underground storage depots and a long-distance pipeline network.

Xcel Energy manages utilities serving 3.9 million electric customers and 2.2 million natural gas customers in eight states. Its utilities are Northern States Power, which serves customers in Minnesota, North Dakota, South Dakota, Wisconsin, and Michigan; Public Service Company of Colorado; and Southwestern Public Service Company, which serves customers in Texas and New Mexico. It is one of the largest renewable energy suppliers in the US, with more than half of its electricity sales coming from carbon-free energy.

Incorporated in 1954 and named after the small Victorian town of Woodside, Woodside's early exploration focus moved from Victoria's Gippsland Basin to Western Australia's Carnarvon Basin. First LNG production from the North West Shelf came in 1984. BHP Billiton and Shell each had 40% shareholdings before BHP sold out in 1994 and Shell sold down to 34%. In 2017 Shell sold its entire shareholding. Woodside is one of the most LNG-leveraged companies globally.

Exelon serves approximately 10 million power and gas customers at its six regulated utilities in Illinois, Pennsylvania, Maryland, New Jersey, Delaware, and Washington, D.C.

Adani Power Ltd is an electric utility company that produces and transmits energy from its portfolio of power plants located throughout India. The company produces its energy using thermal fuel sources, such as coal but also owns facilities that utilize solar and steam generation. The company's electricity sales are structured through long-term agreements. Its business segments include Power Generation and related activities, which generates key revenue, and Trading, Investment, and other activities. Geographically, the company generates a majority of its revenue from India.