By Àkànní Olúwaségún Michael
Across five continents, a new industrial order is being built, one turbine, one battery pack, one hydrogen electrolyser at a time. Governments are legislating, investors are committing capital at scale, and a handful of companies are racing to capture the centre of what analysts estimate is a $3 trillion global green energy market.
This transcends just a story about idealism to translate into competitive advantage, supply chains, manufacturing capacity, and the financial muscle required to build the infrastructure of a post-carbon economy.
Some of these companies are profitable and expanding fast while others are absorbing short-term losses to dominate markets that do not yet fully exist. All of them are betting on the assurance that clean energy is a permanent restructuring of how the world powers itself.
In the report, BUSINESS METRICS documents top 10 of these companies at the global forefront of renewable green energy restructuring.
- Tesla Inc. (United States)
Tesla Inc, an American electric vehicle manufacturer, remains one of the biggest drivers of the clean energy transition through its electric cars, battery storage systems and solar energy business.
In Q1 2026, Tesla generated $22.4 billion in revenue and $477 million in net income, with earnings of $0.41 per share and gross margin improving to roughly 21% year over year. For the full year 2025, its energy generation and storage unit delivered approximately $12.8 billion in revenue, up 26-27% year over year, with nearly 30% gross margins, almost double the profitability of its car business.
That energy arm is anchored by grid-scale Megapacks and home Powerwalls, which together now account for more than 10% of total company revenue and a disproportionately high share of gross profit.
As of late May 2026, Tesla’s market capitalisation sits at around $1.57-1.60 trillion, having risen nearly 80% over the past year, reflecting investor conviction that its future lies as much in clean energy and software as in electric cars.
- NextEra Energy (United States)
NextEra Energy is one of the world’s largest producers of wind and solar energy. In Q1 2026, the company posted roughly $6.7 billion in revenue and $2.18 billion in net income, with adjusted EPS of $1.09, up about 10% year on year and ahead of analyst forecasts.
Its renewables arm holds a development backlog of roughly 33 GW of contracted new projects, underscoring how much growth is already locked in.
NextEra currently owns around 38 GW of wind, solar and storage capacity, and is targeting an 81 GW portfolio by 2027, more than doubling its clean energy fleet in just a few years.
A planned $74.6 billion capital spend between 2025 and 2029 will go toward upgrading grids and adding clean capacity across the US Southeast, Midwest and Texas, positioning NextEra as a cornerstone of the North American energy transition. As of late May 2026, its market capitalisation stands at around $184-187 billion.
- BYD Company (China)
China-based BYD has become a major force in electric vehicles and battery manufacturing. The company produces electric buses, passenger vehicles and renewable energy storage systems used in different global markets.
In 2024, BYD generated approximately 777 billion yuan in revenue (roughly $110-115 billion) and just over 40 billion yuan in profit, powered by more than four million vehicle sales across China and overseas markets.
Q1 2026 told a different story, with revenue slipping to around 150 billion yuan and profit falling roughly 55% year on year as heavy discounting and softer Chinese demand compressed margins, even as R&D spending remained high to push battery and software innovation forward.
Even under that pressure, BYD commands a market value of around $125 billion, reflecting investor confidence that its end-to-end control over batteries, EVs, buses and stationary storage keeps it central to the global clean transport transition.
- Ørsted (Denmark)
Danish energy company Ørsted is one of the leading offshore wind developers globally with supply chains across various countries. In 2025, Ørsted generated the equivalent of roughly $10-11 billion in revenue and around $430-450 million in net profit, backed by a multi-gigawatt offshore wind pipeline across Europe, Asia and the United States.
In Q1 2026, net profit dropped to approximately $370-380 million, down about 46% year on year, even as core EBITDA climbed into the $1.3-1.4 billion range on stronger offshore wind performance.
The divergence between earnings and headline profit reflects the capital-intensive, long-cycle nature of offshore wind, where the path from project sanction to revenue can span years.
Ørsted has completed its pivot from fossil fuels, but its results are a useful reminder that the economics of large-scale renewables build-outs are rarely linear.
- Vestas Wind Systems (Denmark)
Vestas is one of the world’s largest wind turbine manufacturers, topping the supply of wind energy equipment to several countries. In 2025, Vestas generated approximately 18.8 billion euros in revenue (roughly $20-21 billion) and around 2.5 billion euros in gross profit, with its core EBIT margin improving to about 5.7% as project pricing and execution strengthened.
In Q1 2026, revenue came in at around 4 billion euros, supported by a record combined order backlog worth over 76 billion euros, locking in years of future onshore and offshore turbine and service work.
As one of the world’s largest wind turbine manufacturers, Vestas continues to expand in both offshore and onshore markets across multiple continents, supplying equipment to projects in Europe, the Americas and beyond.
- Enel Green Power (Italy)
In a nutshell, Italy-based Enel Green Power operates renewable energy projects across Europe, Africa, the Americas and Asia. Its operations cover solar, hydroelectric, geothermal and wind energy generation with approximately 68 GW of installed alternative green energy sources.
Its parent, Enel Group, reported core EBITDA of approximately 22.9 billion euros in 2025, with net income expected to exceed 6.9 billion euros, underpinned by stable, long-term contracted cash flows from Enel Green Power’s global portfolio.
The renewables platform remains one of the group’s primary profit engines. Enel’s current strategy calls for adding roughly 15 GW of new renewable capacity between 2026 and 2028, as the group continues to shift capital away from fossil generation and into large-scale solar, wind and storage.
- First Solar (United States)
For 2025, First Solar generated approximately $5.2 billion in revenue, up roughly 24% year on year, and delivered net income of $14.21 per diluted share, its strongest profit performance to date.
Operating income came close to $1.6 billion, with gross profit of about $2.1 billion, reflecting firm module pricing and the benefit of US policy support.
New factories in Alabama, Ohio, Louisiana and a forthcoming plant in South Carolina are taking its US nameplate manufacturing capacity toward 14-18 GW annually by 2026, within a global footprint expected to reach around 25 GW.
That build-out cements First Solar’s position as the largest solar manufacturer in the Western Hemisphere and a key supplier to utility-scale projects across North America.
- Siemens Gamesa (Germany)
Siemens Gamesa is involved in the manufacturing and installation of wind turbines for global energy markets. As records have shown, its recent quarterly revenues have run at approximately 2.7 billion euros, growing in the high teens year on year, though the unit has not yet reached consistent profitability. Parent company Siemens Energy is targeting break-even for the wind division by fiscal 2026.
Despite the financial turbulence, Siemens Gamesa has installed more than 1,000 offshore direct-drive turbines and approximately 27 GW of capacity across at least 14 countries, and is supplying 14-15 MW machines, the SG 14-222 DD and the newer SG DD-276, for flagship projects in Europe and Asia.
The company’s situation illustrates a broader reality in the wind industry: the cost and complexity of scaling next-generation turbine technology means that even market leaders must absorb extended periods of operational strain before new product lines stabilise.
- Brookfield Renewable Partners (Canada)
With roughly 45-50 GW of operating capacity across five continents and a development pipeline exceeding 100 GW, Brookfield Renewable is among the largest clean power platforms publicly traded anywhere in the world.
Its portfolio spans hydroelectric, wind, utility-scale solar, distributed generation and storage, and it is expanding into adjacent decarbonisation services including carbon capture, renewable natural gas, recycling infrastructure and nuclear services.
Funds from operations for the latest full year came in at roughly $1.3 billion, up about 10% per unit, supporting a distribution raised at a mid-single-digit annual rate.
The company is targeting $9-10 billion of capital deployment over the next five years, with an emphasis on inflation-linked cash flows and disciplined long-term returns.
- Plug Power (United States)
Rather than selling individual components, Plug Power is building the entire green hydrogen value chain, from production through to end use.
It designs and manufactures PEM electrolysers that use renewable electricity to produce green hydrogen, alongside the liquefaction, storage, transport and dispensing infrastructure needed to make that hydrogen usable at industrial scale.
More than 160 fuelling stations and tens of thousands of fuel cell systems have been deployed for applications including forklifts, heavy-duty trucks, robotics and data centre backup power.
The commercial case rests on sectors that cannot easily be electrified, such as heavy transport, logistics and certain industrial processes, where zero-carbon alternatives to diesel and grid-connected backup generators remain scarce.
If those markets develop as projected, Plug’s integrated platform could prove to be a significant structural advantage.
The Stakes
What unites these ten companies, despite their different geographies, technologies and financial profiles, is their shared position at the intersection of climate necessity and industrial opportunity.
The energy transition is generating one of the largest capital reallocations in modern economic history, and the companies that build the right assets, in the right markets, with the right cost structures, will define the shape of energy for decades.
The $3 trillion figure is not a ceiling, but a starting point.
