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List of Iberdrola subsidiaries

Verified insights into Iberdrola’s global corporate structure and subsidiaries.

Iberdrola, S.A. is a multinational energy company headquartered in Bilbao, Spain. Founded in 1992, Iberdrola operates a wide global network of subsidiaries, with 2,889 companies across numerous countries. This ownership data is part of CompanyData.com’s verified corporate hierarchy database, covering over 380 million companies worldwide.

Where Iberdrola’s subsidiaries are located around the world

Iberdrola has 2,889 subsidiaries in 29 countries, with a significant presence in Spain with 2,381 companies (82.5%), the United States with 202 companies (7%), and Mexico with 36 companies (1.2%). These countries represent the core of Iberdrola’s global reach, reflecting its key operations in energy production and distribution, including renewables and power generation.

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  • Global ownership data

  • Download subsidiary lists

  • Structured hierarchies

  • Contact and email data

Top Subsidiaries and Companies Owned by Iberdrola

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Company Name Country City Address 1 Address 2 State/Province Postal Code Website Founding Year Yearly Revenue in U.S. Dollars Employees Total Business Legal Type - Description Number of Companies in Group Company Registration Number Email Phone Number UniqueID
1
Monsoon Energy Sp Z O O
Poland
Warszawa
Ul. Prosta 51
N/A
Województwo Mazowieckie
00838
N/A
2016
$88,177
8
Corporation
2889
9512420537
******@****.***
51*****39
0650323731
2
Wind Field Korytnica Sp Z O O
Poland
Warszawa
Ul. Prosta 51
N/A
Województwo Mazowieckie
00838
N/A
2009
$240,024
6
Corporation
2889
5222929880
*******@****.***
69*****05
0536557723
3
South Chestnut LLC
USA
Portland
1125 Nw Couch St Ste 700
N/A
Multnomah
97209
iberdrolarenewables.us
2010
$3,650,576
5
Corporation
2889
69316496
**********@********.***
50*****00
01073959981
4
Southern Windfarm Sp Z O O
Poland
Warszawa
Ul. Prosta 51
N/A
Województwo Mazowieckie
00838
N/A
2008
$90,175
3
Corporation
2889
1070010889
*****@*******.***
51*****31
0533307334
5
I-De Redes Electricas Inteligentes Sociedad Anonima.
Spain
Madrid
Calle Tomas Redondo 1
N/A
Madrid
28033
N/A
N/A
$0
0
2889
N/A
******@****.***
61*****80
0578218068
6
Eolicas De Euskadi SA
Spain
Abadiño-zelaieta
Barrio Muntsaratz, 7 - Bis
N/A
Vizcaya
48220
N/A
N/A
$0
0
2889
N/A
**********@******.***
62*****53
0582663388
7
Iberdrola, Sociedad Anonima
Spain
Ibi
Calle Tibi 17
N/A
Alicante
03440
iberdrola.es
N/A
$0
0
2889
N/A
**********@*****.***
64*****00
0574506484
8
Tatanka Ridge Wind, LLC
USA
Portland
1125 Nw Couch St Ste 700
N/A
Multnomah
97209
avangridrenewables.us
2010
$0
500
Partnership of unknown type
2889
N/A
***********@********.***
50*****00
01076546315
9
Connecticut Energy CORPORATION
USA
Orange
60 Marsh Hill Rd
N/A
New Haven
06477
N/A
2014
$33,226,087
450
Corporation
2889
0619163
******@********.***
20*****11
0208332357
10
Maine Electric Power Company, INC.
USA
Augusta
Edison Dr
N/A
Kennebec
04336
cmpco.com
1966
$27,182,435
400
Corporation
2889
19660148 D
************@***.***
20*****21
0172105369
11
Orlando Diefenderfer Electrical Contractors INC
USA
Allentown
2062 Downyflake Ln
N/A
Lehigh
18103
N/A
N/A
$0
190
2889
N/A
***********@*******.***
61*****71
0897406625
12
The United Illuminating Company
USA
Boston
N/A
N/A
Suffolk
02284
N/A
N/A
$0
146
2889
N/A
*********@*******.***
0230410109
13
Central Maine Power Company
USA
Augusta
57 Old Winthrop Rd
N/A
Kennebec
04330
cmpco.com
N/A
$0
116
2889
N/A
************@********.***
20*****32
0893581375
14
New York State Electric & Gas CORPORATION
USA
Lancaster
150 Erie St
N/A
Erie
14086
nyseg.com
N/A
$0
91
2889
N/A
*********@******.***
80*****11
0185152264
15
New York State Electric & Gas CORPORATION
USA
Oneonta
65 Country Club Rd
N/A
Otsego
13820
nyseg.com
N/A
$0
86
2889
N/A
***********@********.***
80*****11
0124113015
16
The United Illuminating Company
USA
Hartford
N/A
N/A
Hartford
06104
N/A
N/A
$0
84
2889
N/A
************@***.***
0989317485
17
Connecticut Natural Gas CORPORATION
USA
Rocky Hill
1376 Cromwell Ave
N/A
Hartford
06067
cngcorp.com
N/A
$0
68
2889
N/A
*******@******.***
0939323661
18
New York State Electric & Gas CORPORATION
USA
Chatham
31 Dardess Dr
N/A
Columbia
12037
nyseg.com
N/A
$0
53
2889
N/A
**********@********.***
51*****72
0156096980
19
The United Illuminating Company
USA
Milford
312 Woodmont Rd
N/A
New Haven
06460
N/A
N/A
$0
26
2889
N/A
*******@********.***
0904059493
20
Avangrid Renewables, LLC
USA
Tiskilwa
8617 Wyanet Walnut Rd
N/A
Bureau
61368
iberdrolausa.com
N/A
$0
11
2889
N/A
**********@*******.***
0127189031
21
Avangrid Renewables, LLC
USA
Rosamond
17890 Champagne Ave
N/A
Kern
93560
avangridrenewables.com
N/A
$0
10
2889
N/A
********@***.***
66*****22
0163646849
22
M. J. Daly & Sons, INC.
USA
New Haven
250 Church St Ste 201
N/A
New Haven
06510
mjdalyllc.com
N/A
$0
10
2889
N/A
*******@******.***
20*****59
0237257165
23
Rugby Wind LLC
USA
Portland
1125 Nw Couch St Ste 700
N/A
Multnomah
97209
N/A
2005
$2,346,090
10
Corporation
2889
31612799
***********@********.***
40*****00
0732049521
24
Avangrid Renewables, LLC
USA
Arlington
74623 Rhea Ln
N/A
Gilliam
97812
iberdrolarenewables.us
N/A
$0
9
2889
N/A
*******@*****.***
54*****30
01040576978
25
Avangrid Renewables, LLC
USA
Leipsic
135 E Main St
N/A
Putnam
45856
N/A
N/A
$0
9
2889
N/A
************@****.***
0166255700
26
Avangrid Renewables, LLC
USA
Alpha
83501 600th Ave
N/A
Jackson
56111
N/A
N/A
$0
8
2889
N/A
*****@********.***
50*****93
0131932675

Companies by Employee Size

  • 0 or Unknown 2,414
  • 1 to 100 413
  • 101 to 499 41
  • 500 to 999 12
  • 1.000 to 4.999 9

Companies by Revenue Size (in USD)

  • 0 or Unknown 2,480
  • 1 to 100.000 11
  • 100.001 to 499.999 49
  • 500.000 to 999.999 76
  • 1.000.000 to 4.999.999 94
  • 5.000.000 to 9.999.999 59
  • 10.000.000 to 49.999.999 59
  • 50.000.000 to 99.999.999 9
  • 100.000.000 to 499.999.999 17
  • 500.000.000 to 999.999.999 13
  • 1.000.000.000 or more 22
Download Data

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Explore Iberdrola’s Corporate Structure Worldwide

Iberdrola’s corporate network is part of over 41 million corporate hierarchies in our company ownership database. It shows how the group is structured across 200 countries and jurisdictions, including its many subsidiaries with verified data. Explore our dataset’s details and request your tailored sample.

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Iberdrola Company Facts

Where is Iberdrola headquartered?

In Bilbao, Spain.

How many subsidiaries does Iberdrola have?

About 2,889 subsidiaries in 39 countries.

Who owns Iberdrola?

Iberdrola is publicly traded with diverse shareholders.

Is Iberdrola a Spanish company?

Yes, Iberdrola is incorporated and headquartered in Spain.

How many people work for Iberdrola?

Iberdrola employs over 40,000 people worldwide.

Corporate family tree

Why Understanding Iberdrola’s Ownership Structure Is Important

Knowing how a company is owned and organized helps you understand how it operates worldwide. Our corporate hierarchy data shows the relationships between parent companies, subsidiaries, and shareholders. This data reveals control, company structure, and risks within global groups like Iberdrola. Whether you are doing compliance checks, market research, or improving CRM data management, this clarity is essential. CompanyData.com offers verified ownership records for over 380 million companies globally to give you a clear picture of who owns who across all industries and borders.

How We Map Iberdrola’s Worldwide and Local Headquarters

At CompanyData.com, we organize company profiles such as Iberdrola using a three-level hierarchy: Global, National, and Local headquarters. This framework uncovers how each entity fits within the larger corporate group.

The three levels explained

  • Global Headquarter — Iberdrola’s global headquarter is located in Spain, serving as the top-level parent for all subsidiaries worldwide.
  • National Headquarters — These are the country-level entities that manage local operations and report directly to the global headquarter. Examples include Iberdrola USA, Iberdrola Mexico, and Iberdrola UK.
  • Local Headquarters — These are regional subsidiaries responsible for managing local compliance, operations, and brand presence within their specific markets.

Every company entity receives a unique identifier, which helps you link subsidiaries to parent groups, trace ownership paths, and integrate this data into your systems.

How control is identified

Control is established when a company owns more than 50% of another entity. We focus on these majority ownership links to clearly show the corporate hierarchy. This method provides a transparent picture of complex ownership networks like Iberdrola’s and applies to any multinational firm.

Why this information matters

This model identifies the core decision-makers within Iberdrola, aids compliance and audit processes, and supports M&A or risk analysis. With verified ownership data mapped across more than 2,889 Iberdrola-related entities in over 30 countries, CompanyData.com enables you to understand Iberdrola’s corporate framework confidently. Our platform connects millions of companies worldwide, delivering insights for teams working across markets and industries.

 

Iberdrola

Who This Solution Is For

CompanyData.com provides verified insights into global corporate structures, including subsidiaries and ownership data for companies like Iberdrola. Our data supports organizations that require accurate company details for compliance, market research, or CRM enhancement. We offer free sample data, and larger sets (up to 1,000 companies) can be made available to registered companies with a clear use case and active online presence. For direct marketing lists, visit our Company Data Platform.

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Iberdrola ownership & subsidiary data – FAQs

You can access Iberdrola company data through API, bulk files, or the Bold Platform. We create custom datasets based on your target countries, industries, and company profiles. After you share your criteria, our experts prepare a tailored dataset and send a free quote with record counts and sample data within 24 hours. Once approved, we deliver your data quickly in your preferred format — via Excel, API, bulk file, or directly in the Bold Platform.

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The price of our Iberdrola company data varies based on your chosen details and delivery method. Whether you need a list of subsidiaries or a full dataset via API or bulk files, we offer flexible pricing to suit your needs. You can request a free quote and record count within 24 hours — our team will provide transparent pricing and a free sample of 10 company contacts. At CompanyData.com, you only pay for the verified global data you need.

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At CompanyData.com, you can access detailed, verified data on Iberdrola S.A. and all its subsidiaries, updated daily. This includes company names, registration details, locations, industry classifications, financial indicators, and key contacts. Iberdrola has a total of 2,889 subsidiaries worldwide, with the largest presence in Spain (2,381), the USA (202), and France (45). You can download the data via the Bold Platform, API, or bulk file delivery. Our database offers 100% worldwide company coverage, ensuring complete and accurate insights.

At CompanyData.com, our data comes from verified global business sources to ensure accuracy and full coverage. We combine official registers, financial filings, LEI records, trusted partners, and verified company websites. All data is cross-checked and validated by our experts, ensuring it’s accurate, up-to-date, and GDPR-compliant.

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