Top Wind Energy Companies in 2026: Largest Wind Power Companies

Wind capacity crossed 1,100 GW in 2026. Offshore turbines multiplied across the North Sea, the Baltic, and newly leased US Atlantic waters. Onshore still accounts for 72% of that total, driven by utility-scale farms in China, the United States, and Germany. But the real picture lies in who owns and builds the turbines. To identify the top wind energy companies, we pulled 2026 filings and industry databases and ranked them by installed metal—not by market cap or press releases.

How We Ranked the Top Wind Energy Companies

We ranked companies by total installed wind capacity in gigawatts, using annual reports, investor presentations, and databases maintained by GWEC and WindEurope. Wherever possible, we cross‑checked figures against quarterly disclosures and project‑level asset registers. Secondary metrics—onshore/offshore split, year‑on‑year additions, and disclosed pipelines—add useful context. Revenue and listing details are included for publicly traded entities.

The method naturally favours turbine manufacturers with decades of installation history, but it also captures developers and asset owners whose operational capacity is material and clearly reported. All figures reflect the most recent 2026 disclosures.

Before You Compare: A Quick Checklist

• Source of the number: Is the company counting turbines it manufactured, or only those it owns and operates?
• Offshore vs. onshore: A high offshore share often means a smaller total GW but a steeper growth trajectory and different risk profile.
• Technology split: Does the fleet use direct‑drive or geared turbines? That choice influences long‑term O&M costs.
• Pipeline vs. installed: A large pipeline signals future revenue but not current output; don’t confuse it with operating assets.

Top 10 Largest Wind Energy Companies (2026)

These are the top wind energy companies by installed capacity, blending turbine makers and owner‑operators. If you’re deciding which turbine to specify, remember: onshore models with high capacity factors often save more on levelized cost of energy than chasing the largest rotor diameter.

1. Vestas Wind Systems

With over 185 GW installed in 88 countries, Vestas leads the ranking. Founded in 1945 and headquartered in Aarhus, Denmark, it trades on Nasdaq Copenhagen (VWS) and reported €16.4 billion in revenue. Its V236‑15.0 MW offshore turbine already powers several large European wind farms. Common oversight: When comparing Vestas’ V150‑4.2 MW with similar‑class turbines from Nordex or GE, project owners sometimes overlook the scope of the service agreement—a factor that can dominate long‑term turbine availability.

2. Siemens Gamesa Renewable Energy

Siemens Gamesa holds the largest offshore turbine installed base, with cumulative installations exceeding 145 GW. Headquartered in Zamudio, Spain, it operates as the wind division of Siemens Energy (ETR: ENR). Reported revenue for the segment reached €11.1 billion. The direct‑drive SG 14‑236 DD and SG 14‑222 DD models are now deployed in the UK, Germany, Denmark, and Taiwan. Expert nuance: Because its direct‑drive design eliminates the gearbox, maintenance intervals shift—a critical advantage for far‑offshore sites where crane mobilisation costs often dictate project economics.

3. Goldwind Science & Technology

Goldwind has installed more than 125 GW, making it the largest wind manufacturer in China and third globally. The company is dual‑listed on the Shenzhen (002202) and Hong Kong (2208) exchanges, with RMB 48 billion in revenue. While the portfolio remains heavily onshore, its offshore platform has gained traction since 2023 across China’s coastal provinces. Decision rule: For low‑wind‑speed regions in Central Asia, developers frequently select Goldwind’s permanent magnet direct‑drive turbines because their wide operating range eases grid compliance, particularly in markets with strict voltage‑ride‑through requirements.

4. GE Vernova

GE Vernova’s onshore fleet exceeds 62 GW, and its offshore business is built on the Haliade‑X platform. Headquartered in Cambridge, Massachusetts, and trading as GEV on the NYSE, the wind division reported $10.8 billion in revenue. The 14 MW Haliade‑X turbines are running at the Dogger Bank complex in the UK North Sea. Common mistake: Assuming the Haliade‑X is GE’s only focus—onshore projects in North America still lean heavily on the Cypress 5.5 MW platform, which offers a lower specific rating for medium‑wind sites and a well‑established service network.

5. Nordex Group

Nordex has installed over 52 GW, concentrated on onshore markets in Europe, Latin America, and North America. It trades on the Frankfurt Stock Exchange (NDX1) and posted €7.2 billion in revenue. The Delta4000 platform—spanning N149 to N175—drives most recent deliveries. Practical nuance: Sites with extreme gusts often benefit from the N175/6.X’s high specific power and low sound power levels, an edge when noise‑sensitive permitting regimes cap turbine selection.

6. NextEra Energy

NextEra is the largest wind generator in the United States by megawatt‑hours produced, with roughly 30 GW operational across 20 states and a development pipeline exceeding 15 GW. The company, headquartered in Juno Beach, Florida, trades as NEE on the NYSE and reported $27.5 billion in total revenue. Common mistake: Comparing NextEra’s installed capacity directly with manufacturers obscures the business model—its metric is owned generation, not turbine sales. The real value lies in scale, corporate power purchase agreement origination, and co‑located battery storage.

7. Iberdrola

Iberdrola operates more than 42 GW of total renewable capacity, with onshore and offshore wind as the largest share. Listed on the Madrid Stock Exchange (IBE), the utility reported €53 billion in revenue. Its offshore portfolio includes the 714 MW East Anglia ONE project in UK waters and Vineyard Wind 1 (800 MW) off Massachusetts—the first utility‑scale offshore wind farm in the United States. Source interpretation: BOEM leasing rules often require local joint ventures; Iberdrola’s Avangrid‑Copenhagen Infrastructure Partners structure at Vineyard Wind 1 illustrates a pattern that new entrants should factor into their timeline assumptions.

8. Ørsted

Ørsted is the world’s largest offshore wind developer, with 12 GW installed and a pipeline beyond 20 GW. Based in Fredericia, Denmark, and traded on Nasdaq Copenhagen (ORSTED), the company reported DKK 115 billion in revenue. The Hornsea complex in the UK North Sea remains the largest operational offshore wind zone. Specific scenario: When evaluating offshore development benchmarks, Ørsted’s integrated model—covering seabed lease, construction, and long‑term O&M—offers a clear lifecycle‑returns reference. However, early‑stage development risk before final investment decision still weighs heavily on project valuation.

9. Enel Green Power

Enel Green Power’s 63 GW renewable portfolio includes approximately 25 GW of wind across Europe, the Americas, and select emerging markets. Wholly owned by Enel SpA (BIT: ENEL), which posted €95 billion in consolidated revenue, the unit operates a diversified geographical mix. Decision rule: Corporate buyers seeking virtual power purchase agreements often prefer Enel Green Power’s cross‑country wind portfolio because it reduces single‑market delivery risk, particularly in the PJM and ERCOT regions as well as in Latin American deregulated markets.

10. RWE

RWE holds about 10.5 GW of installed wind and a combined wind‑solar pipeline above 25 GW. Headquartered in Essen and trading on the Frankfurt Stock Exchange (RWE), the company reported €32 billion in total revenue. Offshore holdings include stakes in the London Array, Gwynt y Môr, and the under‑construction Sofia wind farm in the UK North Sea. Expert nuance: RWE’s transition from coal means its growth often flows through project‑pipeline acquisitions and repowering of older onshore sites—a signal to turbine suppliers about where long‑term offtake agreements are likely to emerge.

Comparative Table: Key Metrics at a Glance

Company	Installed Wind Capacity (GW)	Headquarters	Publicly Traded (Ticker)	Core Geography
Vestas Wind Systems	185+	Aarhus, Denmark	CPH: VWS	Global
Siemens Gamesa Renewable Energy	145+	Zamudio, Spain	Siemens Energy (ETR: ENR)	Global (offshore focus)
Goldwind Science & Technology	125+	Beijing, China	SZSE: 002202 / HKEX: 2208	Asia‑Pacific
GE Vernova	62+	Cambridge, MA, USA	NYSE: GEV	North America, Europe
Nordex Group	52+	Hamburg, Germany	ETR: NDX1	Europe, LATAM, North America
NextEra Energy	~30	Juno Beach, FL, USA	NYSE: NEE	United States
Iberdrola	~42 (total renewable)	Bilbao, Spain	BME: IBE	Europe, North America
Ørsted	~12 (offshore)	Fredericia, Denmark	CPH: ORSTED	Northern Europe, US, APAC
Enel Green Power	~25 (wind portion)	Rome, Italy	Enel SpA (BIT: ENEL)	Europe, Americas
RWE	~10.5	Essen, Germany	ETR: RWE	Europe, North America

Use this table to quickly compare scale, geographic footprint, and listing details. For developers, the difference between “total renewable” and “wind‑only” columns matters: Iberdrola and Enel Green Power both report renewables‑wide figures, so the wind share requires the notes provided.

How to Avoid Mistakes When Comparing Wind Energy Companies

Even experienced project developers trip over a few recurring pitfalls:

• Confusing annual installations with cumulative totals. An annual top‑seller ranking can look very different from a cumulative leaderboard.
• Mixing developer and manufacturer metrics. A company that builds turbines is not the same as one that owns and operates wind farms; their revenue profiles, risk exposure, and growth drivers diverge sharply.
• Ignoring the service network footprint. A turbine model with attractive specs means little if the manufacturer lacks a trained field service team in your region.
• Overlooking pipeline quality. A large disclosed pipeline may include early‑stage prospects with no binding offtake; always check the split between secured, planned, and speculative capacity.

Frequently Asked Questions

What are the leading wind energy companies globally?
The top wind energy companies by installed capacity are Vestas (185+ GW), Siemens Gamesa (145+ GW), and Goldwind (125+ GW). Together, these three manufacturers account for a significant share of the world’s cumulative wind installations. Developer‑focused rankings elevate Ørsted and NextEra for owned and operated capacity.

Who are the top 5 wind turbine manufacturers?
Vestas, Siemens Gamesa, Goldwind, GE Vernova, and Nordex Group. Their combined installations exceed 570 GW across onshore and offshore segments.

What is the difference between a wind turbine manufacturer and a wind farm developer?
A turbine manufacturer designs, produces, and sells wind turbines, while a developer finances, builds, and operates wind farms. A few companies do both, but the business models differ: manufacturers carry warranty and supply‑chain risk, while developers carry project‑permitting, power‑market, and construction risk.

What is the best wind energy stock to buy?
We do not provide investment advice. Frequently discussed publicly traded wind companies in 2026 include NextEra Energy (NYSE: NEE), Ørsted (CPH: ORSTED), Iberdrola (BME: IBE), Vestas (CPH: VWS), and RWE (ETR: RWE). Always conduct your own analysis or consult a qualified adviser.

Which wind energy companies are largest in the USA?
NextEra Energy is the largest wind generator with ~30 GW operational. GE Vernova holds the largest US‑headquartered turbine manufacturing presence, while Iberdrola and Ørsted lead offshore wind development in US federal waters following BOEM lease auctions.

Are these companies involved in offshore wind?
Yes. Siemens Gamesa, Ørsted, Vestas, Iberdrola, and GE Vernova all maintain substantial offshore wind portfolios or turbine platforms. Ørsted remains the largest offshore developer by installed capacity; Siemens Gamesa holds the largest installed base of offshore turbines. RWE and Enel Green Power also own offshore assets, primarily in European waters.

Full Directory Download

Download our complete dataset of 100+ wind energy companies worldwide. The directory includes:

• Installed capacity broken down by onshore, offshore, and technology type
• Executive and procurement contacts
• Operational project lists with commissioning dates
• Development pipelines (secured and speculative)
• Subsidiary and joint‑venture structures

The file is updated quarterly and available at no cost for registered users.