Britannica Money

The energy market: Oil, solar, and everything in between

Investing in energy, from fossil fuels to renewables.
Written by
Matt Whittaker
Matt Whittaker is a veteran natural resources journalist who has covered the mining, energy, and agriculture industries for two decades. In recent years, Matt has been closely following the energy transition from fossil fuels to renewables. He has been published in The Wall Street Journal, Fortune, U.S. News & World Report, and other publications. 
Fact-checked by
David Schepp
David Schepp is a veteran financial journalist with more than two decades of experience in financial news editing and reporting for print, digital, and multimedia publications.
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Composite image showing solar panels in the foreground and offshore wind turbines in the ocean at sunset, representing alternative energy sources.
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Renewables like wind and solar have become key parts of the global energy mix.
© Chernetskaya/Dreamstime.com

The energy market powers homes, businesses, and entire economies, offering investors a way to invest in the resources the world depends on. Whether you’re trading crude oil, buying utility stocks, or betting on solar and wind, energy is one of the most dynamic and far-reaching sectors investors can tap into.

At the same time, it’s an industry in flux. Governments are working to reduce carbon emissions and strengthen energy independence. Demand continues to grow, even as the global mix shifts toward renewable energy, electric vehicles, and new technologies like carbon capture. For investors, that means the traditional and the emerging are often side by side, creating both opportunity and uncertainty.

Key Points

  • The energy market includes companies involved in oil, gas, renewables, and utilities, each with unique risks and investment opportunities.
  • Knowing industry terms such as upstream, midstream, and downstream can help you navigate the energy market.
  • Energy prices are driven by supply, demand, policy decisions, and geopolitics, all of which affect investment performance.

How the energy market works

The energy market operates much like other markets: Buyers and sellers negotiate prices based on actual or anticipated supply and demand.

Governments, banks, and consulting and market research firms publish supply and demand estimates, but the energy market often defies prediction. Pricing can shift quickly due to unexpected events. For example, the Organization of Petroleum Exporting Countries (OPEC) and its allies, including Russia, may cut production unexpectedly (pushing oil prices higher) or increase output (sending prices lower). Even the anticipation of such moves can cause market swings.

Weather can also drive price swings. A hotter-than-expected summer or colder-than-normal winter can boost natural gas demand as households and utilities rely more heavily on air conditioning or heating.

Demand ultimately comes from end users—homes and businesses—but energy often passes through a chain of intermediaries, including commodity merchants and distributors, before reaching its destination.

A market in transition

The global energy market has been undergoing a long-term transformation as it’s shaped by climate policy, shifting demand, and technological change. Governments worldwide are pursuing energy independence and seeking to reduce emissions, often through policies that promote renewables or penalize carbon-heavy fuels. Still, demand for electricity and transportation fuel has continued to climb, driven by population growth, rising household incomes, and urbanization.

Regional energy dynamics vary widely. In Europe, climate policy has accelerated the shift toward renewables and nuclear power. The United States has remained a major oil and gas producer, even as it has expanded clean energy through legislation and public spending, although that growth faces political and regulatory headwinds.

In burgeoning economies such as India and parts of sub-Saharan Africa, rising demand has driven both fossil fuel use and the adoption of renewables as the energy infrastructure expands. Meanwhile, countries with rich mineral reserves—such as Chile, Indonesia, and the Democratic Republic of the Congo—play a central role in supplying materials critical for enabling energy transition.

Much of that growth has come from emerging markets, where energy infrastructure continues to expand. Although traditional players supply oil, gas, and coal, newer forces have reshaped the landscape. Traders buy and sell carbon credits to help companies meet emissions targets. Utilities face the challenge of integrating intermittent energy sources like wind and solar into power grids originally built for coal-fired generation. Meanwhile, the broader push toward electrification, particularly through electric vehicles, has shifted investment toward lithium, copper, and other minerals critical to battery production.

Experts expect this transition to play out over decades. In the meantime, fossil fuels and renewables are expected to coexist for years, giving investors a broad mix of choices—from legacy oil giants to companies at the forefront of the energy shift.

What drives energy prices

Energy prices are ultimately determined by supply and demand, but predicting them is rarely straightforward. Prices for oil, gas, coal, and electricity can swing sharply based on geopolitics, weather, corporate strategy, and government policy. These fluctuations don’t just affect commodity prices; they also move the share prices of energy companies.

Several forces complicate pricing:

  • Corporate decisions. Oil and gas producers have recently focused on shareholder returns, using buybacks and dividends instead of ramping up supply, even during price spikes.
  • Geopolitical instability. Conflicts in key regions, such as the Middle East, can threaten production or transit routes like the Strait of Hormuz, sending prices higher.
  • Policy shifts. Government support (or lack of it) for fossil fuels or renewables can shift with each administration. U.S. energy policy, for instance, changed markedly between the Biden and Trump administrations.

How policy shapes the market

Governments don’t just enforce the rules; they also  influence prices, production, and profits through actions like these:

  • Subsidies. Tax credits or direct funding can make clean energy more competitive.
  • Mandates. Standards for renewable energy adoption can nudge utilities to change their mix.
  • Trade policy. Measures such as tariffs on solar panels and rare earth metals influence costs and supply chains.
  • Permitting and leases. Delays in approvals can stall oil fields, mines, or wind farms.

For long-term investors, tracking policy direction may be as important as watching earnings.

Types of energy companies

The energy sector includes various companies that perform different roles in getting fuel and electricity from their sources to consumers and businesses. Some specialize in exploration or production, while others focus on transportation, distribution, or retail. A few operate at several stages of the supply chain.

Upstream

Upstream companies are responsible for extracting energy from the ground, whether by drilling for oil and gas or producing electricity from hydroelectric dams, wind turbines, solar panels, or nuclear reactors. These companies are involved in the earliest stage of the energy supply chain.

Midstream

Midstream companies handle the transportation, storage, and wholesale distribution of energy. Operations include a vast network of pipelines, trucks, and tankers that move fuel to refineries and terminals. In the renewable energy sector, midstream may involve managing how electricity flows from solar or wind farms into the grid.

Downstream

Downstream companies deliver energy. Examples include gas stations and utilities that supply electricity or natural gas to homes and businesses. Demand at this stage can fluctuate with economic conditions. Drivers cut back when fuel prices are high, and manufacturers may scale down during downturns. But utilities tend to be more stable, as most consumers need to keep the lights on regardless of the economy.

Vertically integrated

Although some companies focus exclusively on upstream, midstream, or downstream operations, the largest oil and gas companies are vertically integrated, meaning they operate in every part of the supply chain, from extraction to refining to retail. That end-to-end presence may provide steadier revenue than companies limited to a single segment and often makes them more recognizable to consumers.

These companies not only produce oil, but also sell finished products such as motor oil, lubricants, and fuel, often at gas stations bearing their name. They typically don’t own utilities, but their broad reach gives them a significant role in the global energy sector.

Energy market evolution

Many oil and gas companies have remained focused on fossil fuels, but some have expanded their operations to support the global shift toward lower-carbon energy sources. Depending on the company, those efforts have included carbon capture projects and investments in renewables such as solar and wind.

Some companies have also entered entirely new sectors. ExxonMobil (XOM), for example, moved into lithium extraction, a field traditionally dominated by mining companies. Lithium is a key material in the current generation of batteries used in electric vehicles and grid storage systems.

Other companies have expanded into solar, wind, nuclear, and hydroelectric power. Hydrogen produced using renewable electricity is still an emerging technology, but it has attracted growing investment as interest in cleaner energy alternatives has broadened.

These developments reflect long-term changes in the world’s energy mix. Coal, oil, and natural gas have long dominated global supply, but renewables have steadily gained ground, and interest in nuclear power has also grown.

After the 2011 Fukushima disaster in Japan, many governments backed away from nuclear energy. But nuclear has regained momentum, largely because it offers steady baseload power without greenhouse gas emissions. As a result, some long-standing environmental opposition, driven by concerns over radioactive waste and safety, has diminished.

The transition away from fossil fuels has also reshaped the mining industry. Minerals such as lithium, nickel, and cobalt are essential to the electrification of transportation and industry. Copper, critical to wiring and power transmission, has become such a priority that major gold-focused miners like Barrick Mining (B) and Newmont (NEM) have significantly increased their copper holdings.

Risks of investing in energy

Energy investments come with distinct risks that may not be as pronounced in other sectors. Commodity prices are famously volatile and often react to geopolitical events, extreme weather, or changes in supply strategy by major producers. Government policy can also have a major impact, from shifting subsidies for renewables to new drilling restrictions for oil and gas.

Environmental and reputational risks add further complexity. Accidents, pipeline spills, or opposition to mining projects can affect operations and stock prices. And because the sector is rapidly evolving, companies that appear well positioned today could be overtaken by technological advances or changes in public sentiment tomorrow.

Taking these factors into account can help you gauge not just potential returns, but also the durability of a company’s business model.

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Ways to invest in the energy market

Investors can approach the energy market in several ways, depending on their goals, risk tolerance, and time horizon. A portfolio might include oil and gas producers such as BP (BP), renewables companies like First Solar (FSLR), or nuclear utilities such as Constellation Energy (CEG).

To diversify within the sector, some investors use exchange-traded funds (ETFs) that group related stocks under a single ticker. For example, the Energy Select Sector SPDR ETF (XLE) focuses on oil and gas producers, while the Global X Solar ETF (RAYS) includes solar equipment manufacturers like Enphase Energy (ENPH).

For more direct exposure to commodity prices, oil and gas futures are another option. Funds such as the United States Oil Fund (USO) offer a way to participate in this part of the market without trading futures contracts directly.

The bottom line

The energy sector gives you a wide range of ways to invest, whether you’re interested in fossil fuel producers, renewables, utilities, or a mix of all three. As the market continues to change, you can build a portfolio that balances the stability of established companies with the growth potential of those contributing to the shift toward lower-carbon energy. And you don’t have to pick a single winner. ETFs and mutual funds provide exposure to different parts of the sector without putting all your money into one company or technology.

Specific companies and funds are mentioned in this article for educational purposes only and not as an endorsement.