Global Climate Solution Stocks

A comprehensive list of publicly listed companies that generate >50% of their revenue from climate solutions that are headquartered in the following seven major global regions.

Note that we provide this list as a publicly available resource solely for the purpose of education. This list was updated in May of 2026 By James Regulinski, CIO & CCO at Carbon Collective.
It is not updated on a regular cadence.

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Company type:

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Company

HQ country

Solution type

Index status

Description

Soltec Power Holdings, S.A.

HQ country:

🇪🇸 Spain

Solution type:

Solar, Hot Water

Building efficiency

Index status:

Pure Play

Pure Play

Soltec Power Holdings makes products for solar farms around the world, largely solar trackers. They also develop their own solar farms. Soltec is based in Spain.

Profithol, S.A.

HQ country:

🇪🇸 Spain

Solution type:

Solar, PVs

Clean energy

Index status:

Pure Play

Pure Play

Profithol is a Spanish solar developer that will design, install, operate, and maintain solar farms and residential systems.

Iberdrola, S.A.

HQ country:

🇪🇸 Spain

Solution type:

Electrical Utility

Clean energy

Index status:

Passes Revenue Filter

Passes Revenue Filter

Iberdrola is a large Spanish electrical electricity provider that generates all of its electricity from nuclear and wind. It is the largest wind developer in the world.

Solaria Energía y Medio Ambiente, S.A.

HQ country:

🇪🇸 Spain

Solution type:

Solar, PVs

Clean energy

Index status:

Pure Play

Pure Play

Solaria Energia is a large Spanish solar developer with projects across the Mediterranean and South America.

ENCE Energía y Celulosa, S.A.

HQ country:

🇪🇸 Spain

Solution type:

Solar, PVs

Clean energy

Index status:

Failed Revenue Filter

Failed Revenue Filter

ENCE is a Spanish paper producer that owns large tracts of forest in Spain. We do not consider paper a climate solution, which is where most of their revenue comes from with recycling and solar energy being a small fraction.

Cox ABG Group, S.A.

HQ country:

🇪🇸 Spain

Solution type:

Grid Expansion

Clean energy

Index status:

Passes Revenue Filter

Passes Revenue Filter

Cox Group is a Spanish energy developer that generates over half its revenue from building power line projects and solar and wind energy. They also build desalination plants.

Arteche Lantegi Elkartea, S.A.

HQ country:

🇪🇸 Spain

Solution type:

Grid Expansion

Clean energy

Index status:

Pure Play

Pure Play

Arteche Lantegi Elkartea is a Spanish company that provides a range of products that are necessary for operating and expanding the electrical grid from transformers to substations.

Acciona, S.A.

HQ country:

🇪🇸 Spain

Solution type:

Solar, PVs

Clean energy

Index status:

Passes Revenue Filter

Passes Revenue Filter

Acciona is a Spanish company that makes a majority of its revenue from renewable energy development. It also is engaged in a range of other construction activities from roadways (not a climate solution) to railways and electricity transmission (climate solutions).

Corporación Acciona Energías Renovables, S.A.

HQ country:

🇪🇸 Spain

Solution type:

Solar, PVs

Clean energy

Index status:

Passes Revenue Filter

Passes Revenue Filter

Acciona Energias Renovables is a Spanish renewable energy developer with solar, wind, hydrogen, and energy storage projects around Europe.

EV Motors, S.A.

HQ country:

🇪🇸 Spain

Solution type:

Electric Cars

Clean transportation

Index status:

Pure Play

Pure Play

EV Motors is a Spanish producer of electric vehicles under the EBRO brand in Spain.

Grupo Empresarial San José, S.A.

HQ country:

🇪🇸 Spain

Solution type:

Solar, PVs

Clean energy

Index status:

Failed Revenue Filter

Failed Revenue Filter

Grupo Empresarial San Jose is a Spanish construction firm that generates a small portion of their revenue from solar farms, but most from general infrastructure construction like roads and bridges.

CLERHP Estructuras, S.A.

HQ country:

🇪🇸 Spain

Solution type:

Wind Power

Clean energy

Index status:

Failed Revenue Filter

Failed Revenue Filter

CLERHP Estructuras is a Spanish construction firm. While they do generate some revenue from building wind turbines, they generate most from generic construction activities like buildings and roadways.

Audax Renovables, S.A.

HQ country:

🇪🇸 Spain

Solution type:

Solar, PVs

Clean energy

Index status:

Passes Revenue Filter

Passes Revenue Filter

Audax Renovables is a large Spanish renewable energy developer with wind and solar projects throughout Europe. They also distribute gas, but this is a minority of their revenue.

Construcciones y Auxiliar de Ferrocarriles, S.A.

HQ country:

🇪🇸 Spain

Solution type:

Mass Transit

Clean transportation

Index status:

Passes Revenue Filter

Passes Revenue Filter

Construcciones y Auxiliar de Ferrocarriles is a Spanish company that makes a majority of its revenue from providing passenger trains from high speed to electrified metro, thus enabling more people to use public transit instead of driving. They also make a series of buses, another important mass transit solution.

Grupo Ezentis, S.A.

HQ country:

🇪🇸 Spain

Solution type:

Grid Expansion

Clean energy

Index status:

Failed Revenue Filter

Failed Revenue Filter

Grupo Ezentis is a Spanish company that builds electrical grid systems in Latin America in Europe. It, however, generates more revenue from building telecommunication networks, so we exclude them as of our 2025 review.

Atalaya Mining Copper, S.A.

HQ country:

🇪🇸 Spain

Solution type:

Critical Minerals

Clean energy

Index status:

Passes Revenue Filter

Passes Revenue Filter

Atalaya Mining is a Spanish mining company that generates a majority of its revenue from extracting copper, a key mineral for the energy transition.

Robot, S.A.

HQ country:

🇪🇸 Spain

Solution type:

Building Automation

Building efficiency

Index status:

Passes Revenue Filter

Passes Revenue Filter

Robot specializes in creating and installing building automation systems with a historical focus on hotels so they can use energy more efficiently.

Redeia Corporación, S.A.

HQ country:

🇪🇸 Spain

Solution type:

Grid Expansion

Clean energy

Index status:

Passes Revenue Filter

Passes Revenue Filter

Redeia is a large owner and builder of electrical grids in Spain, helping more of that country use electricity instead of fossil fuels.

Eltel AB (publ)

HQ country:

🇸🇪 Sweden

Solution type:

Grid Expansion

Clean energy

Index status:

Failed Revenue Filter

Failed Revenue Filter

Eltel provides communication and electrical networks in the Nordics, but is not included because their electrical networks business only made up 38% of their revenue as of our 2025 review.

Beijer Ref AB (publ)

HQ country:

🇸🇪 Sweden

Solution type:

Heat Pumps

Building efficiency

Index status:

Failed Revenue Filter

Failed Revenue Filter

Beijer is a Swedish HVAC firm that generates a majority of its revenue from traditional HVAC and still only a small percentage from heat pumps and advanced refrigerants, which again is true in our 2025 review.