With 20 years of experience, we provide a comprehensive service with tailored solutions for the development of photovoltaic installations for self-consumption or grid-connected generation, with or without storage, electric vehicle charging infrastructure installations, as well as a complete, high value-added operation and maintenance service.

We specialize in developing comprehensive, tailored energy solutions for businesses.

Mission

To develop solutions that enable our clients to reduce their emissions while also lowering their energy costs, strengthening the sustainability and resilience of businesses in our country.

At Alterna Energía, we create tailored solutions for the needs of companies and institutions committed to a sustainable, fair, and renewable energy model.

Vision

To be leaders in the transformation toward a sustainable and efficient energy model, driving innovation and collaborating with companies and institutions to create a cleaner, more responsible future.

Mission

To develop solutions that enable our clients to reduce their emissions while also lowering their energy costs, strengthening the sustainability and resilience of businesses in our country.

At Alterna Energía, we create tailored solutions for the needs of companies and institutions committed to a sustainable, fair, and renewable energy model.

Vision

To be leaders in the transformation toward a sustainable and efficient energy model, driving innovation and collaborating with companies and institutions to create a cleaner, more responsible future.

Values

Innovation

We promote the creation of innovative and sustainable energy solutions.

Excellence

We put the knowledge gained over 20 years of experience at the service of our clients to deliver high value-added solutions.

Commitment

Our commitment is to meet the specific and concrete needs of our clients.

Sustainability

We believe in a business model that respects and protects the environment and that finds in sustainability a strategic differentiator for its business.

Standards that define us

Trust that is certified

We not only provide efficient solutions for the development of photovoltaic installations; we also guarantee a service backed by the highest international safety and quality standards.

We hold the following certifications:

  • ISO 9001 (Quality)
  • ISO 14001 (Environment)
  • ISO 45001 (Occupational Health and Safety)

A reflection of our commitment to excellence, sustainability, and safety in every project.

A reflection of our commitment to excellence, sustainability, and safety in every project.
Alterna energia

Our commitment

At Alterna Energía, we believe in the positive impact we can generate as an organization in our environment.

Ethics and transparency

We maintain honest and responsible relationships with suppliers, clients, and institutions.

COMMITMENT

We integrate sustainability and clean energy across all our activities.

INNOVATION AND DEVELOPMENT

We value knowledge, continuous improvement, and innovation in our designs.

COMMUNITY AND PEOPLE

We promote equality, diversity, and respect within our team and local environment.

Our commitment

At Alterna Energía, we believe in the positive impact we can generate as an organization in our environment.

Ethics and transparency

Our team acts with a firm commitment to ethics and transparency in all our activities, maintaining honest and responsible relationships with suppliers, clients, and institutions.

Commitment

We drive global sustainability not only by focusing on the highest-impact goals, but also by promoting the use of clean, affordable energy and integrating it across all our activities.

Ongoing training and the creation of a friendly, inclusive, and equal workplace environment to support the professional development of the people on our team. We guarantee equal opportunities, respect, and diversity.

Innovation in our designs. We value and apply the knowledge gained over our 20-year track record.

Raising awareness about renewable energy. We are committed to providing tailored solutions that meet the specific needs of our clients.

Working locally with each local community where we engage. We believe in an energy model that respects and protects the environment.

Track record

Track record

1980
We founded the company in Barcelona
2006
Alter joins the shareholding
2011
We opened an office in Badajoz
2012
Our core business is EPC for self-consumption; the criterion of projects with capacity >300 kWp is established to balance effort vs. resources.
We opened offices in Huelva and Madrid
2020
We expanded the capacity range of EPC projects to 10 MW > EPC > 300 Wp and included utility-scale projects in our portfolio.
We grew into a team of 50 people
2021
We opened offices in Cáceres and Seville
2022
Our core business is no longer self-consumption. Utility-scale projects account for 50% of the company’s activity. We invest in strengthening O&M with the purchase of cleaning vehicles, Huawei certification, and the control center.
2023
In response to the slowdown in PV EPC, we increased our focus on building the O&M portfolio and invested in business development for BESS and EV systems.
2025
Today, we are 100 people working at Alterna Energía.
We take care of your energy as part of your future