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.

Cmp Group, INC.Cmp Group, INC.
Showing 26 of 2,925 companies
Company NameCountryCityAddress 1State/ProvincePostal CodeWebsiteFounding YearYearly Revenue in U.S. DollarsEmployees TotalBusiness Legal Type - DescriptionNumber of Companies in GroupCompany Registration Number
1
Cmp Group, INC.
USA
Kewadin
627 Ag A Ming Dr
Antrim
49648
N/A
N/A
0
1,375
2925
N/A
2
Maine Electric Power Company, INC.
USA
Augusta
Edison Dr
Kennebec
04336
cmpco.*****
1966
$27,182,435
400
Corporation
2925
19660148 D
3
The United Illuminating Company
USA
Boston
N/A
Suffolk
02284
N/A
N/A
0
152
2925
N/A
4
New York State Electric & Gas CORPORATION
USA
Portland
162 Canco Rd
Cumberland
04103
N/A
N/A
0
141
2925
N/A
5
Central Maine Power Company
USA
Fairfield
205 Center Rd
Somerset
04937
cmpco.*****
N/A
0
136
2925
N/A
6
Avangrid Service Company, INC.
USA
Rochester
89 East Ave
Monroe
14649
N/A
2003
$27,983,317
99
Corporation
2925
3704981
7
New York State Electric & Gas CORPORATION
USA
Halfmoon
6 Werner Rd
Saratoga
12065
nyseg.*****
N/A
0
88
2925
N/A
8
Connecticut Natural Gas CORPORATION
USA
Rocky Hill
1376 Cromwell Ave
Hartford
06067
cngcorp.*****
N/A
0
68
2925
N/A
9
Connecticut Natural Gas CORPORATION
USA
Greenwich
Old Track Rd
Fairfield
06836
N/A
N/A
0
68
2925
N/A
10
Avangrid Arizona Renewables, LLC
USA
Portland
2701 Nw Vaughn St Ste 300
Multnomah
97210
N/A
2008
$2,786,497
15
Corporation
2925
32662298
11
Ppm Technical Services, INC.
USA
Portland
1125 Nw Couch St Ste 700
Multnomah
97209
iberdrolarenewables.*****
2005
$27,322,023
9
Corporation
2925
26581793
12
Central Maine Power Company
USA
Alfred
438 Sanford Rd
York
04002
cmpco.*****
N/A
0
8
2925
N/A
13
Hay Canyon Wind LLC
USA
Portland
1125 Nw Couch St Ste 700
Multnomah
97209
iberdrolarenewables.*****
2007
$8,162,580
7
Corporation
2925
47074299
14
Midland Wind, LLC
USA
Portland
1125 Nw Couch St Ste 700
Multnomah
97209
iberdrolarenewables.*****
2006
$5,645,853
5
Partnership of unknown type
2925
N/A
15
Avangrid Power, LLC
USA
Leipsic
135 E Main St
Putnam
45856
N/A
N/A
0
5
2925
N/A
16
Avangrid Power, LLC
USA
Jersey City
480 Washington Blvd
Hudson
07310
N/A
N/A
0
5
2925
N/A
17
Berkshire Energy Resources
USA
Pittsfield
115 Cheshire Rd
Berkshire
01201
berkshiregas.*****
2007
$890,883
1
2925
N/A
18
Hamlin Wind, LLC
USA
Portland
1125 Nw Couch St Ste 700
Multnomah
97209
iberdrolarenewables.*****
N/A
0
0
2925
N/A
19
Avangrid Renewables Holdings, INC.
USA
Portland
2701 Nw Vaughn St Ste 300
Multnomah
97210
avangrid.*****
2000
$97,276,289
1,486
Corporation
2925
931177933
20
Avangrid Power, LLC
USA
Portland
2701 Nw Vaughn St Ste 300
Multnomah
97210
N/A
1995
$709,382,107
1,266
Corporation
2925
X001246054
21
The United Illuminating Company
USA
Shelton
6 Armstrong Rd Ste 4
Fairfield
06484
uil.*****
N/A
0
177
2925
N/A
22
The Berkshire Gas Company
USA
Pittsfield
115 Cheshire Rd
Berkshire
01201
berkshiregas.*****
2010
$42,993,151
112
Corporation
2925
041731220
23
New York State Electric & Gas CORPORATION
USA
Liberty
26 Wierk Ave
Sullivan
12754
nyseg.*****
N/A
0
88
2925
N/A
24
New York State Electric & Gas CORPORATION
USA
Rochester
89 East Ave
Monroe
14649
N/A
N/A
0
73
2925
N/A
25
Connecticut Natural Gas CORPORATION
USA
Hartford
100 Columbus Blvd Ste 400
Hartford
06103
ctgcorp.*****
N/A
0
68
2925
N/A
26
Central Maine Power Company
USA
Farmington
Back Falls Rd
Franklin
04938
N/A
N/A
0
49
2925
N/A

Showing 26 of 2,925 companies

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Companies by Employee Size

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  • 20-4937
  • 50-9948
  • 100-19930
  • 200-49911
  • 500-99912
  • 1.000-4.9999
  • 0 or Unknown2,433

Companies by Revenue Size (in USD)

  • 0 or Unknown2,493
  • 1 to 100.00013
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  • 100.000.000 to 499.999.99918
  • 500.000.000 to 999.999.99912
  • Global ownership 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.

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.

 

How We Map Iberdrola’s Worldwide and Local Headquarters

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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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