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Last updated: September 18, 2025

Ethical Line

At Haya Energy Solutions we are committed to protecting the fundamental rights, privacy, and confidentiality of the personal data of our customers, users, and collaborators. Therefore, in our Legal Notice and Privacy Policy section we guarantee a transparent, safe, and responsible use of the information we collect through our website. In this section we make available to all interested parties a series of documents that reflect this commitment.

Conduct policy

This document establishes the fundamental principles, standards, and procedures that guide the behavior of Haya Energy Solutions’ employees and collaborators, with a strong focus on professional ethics, responsibility, and respect in the work environment.

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Human rights and labour policy

This policy affirms our commitment to upholding human dignity and promoting ethical, fair, and inclusive labor practices in all areas of operations, guided by international standards and local regulations.

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ESG policy

This document summarizes the key principles, objectives and actions that HES’ is committed to to upholding in terms of sustainability, ethical conduct, and social impact, aligning its business model with the Sustainable Development Goals and long-term stakeholder value.

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Sexual harassment and discrimination prevention protocol

In this protocol, Haya Energy Solutions sets out measures to prevent and tackle sexual harassment and discrimination in the workplace. It aims to promote a safe, respectful, and inclusive environment.

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Legal information

The publisher

The website https://hayaenergysolutions.com is published by:

Haya Energy Solutions SAS registered with RCS Paris under number B 529 779 373
Head office: 20 avenue de Frieland, 75008 Paris,  France
VAT number: FR18529779373
Publication Director: Céline Haya Sauvage
Contact: +33 (0)1 40 73 88 31 – contact@hayaenergy.com

The host

The site is hosted by OVH, 19 Place Françoise Dorin, 75017 Paris, France.

Personal Data

Personal data collected (forms, comments, cookies) are used only for the proper functioning of the website.

In accordance with the GDPR, you have the right to access, rectify, or delete your data by contacting us at: contact@hayaenergy.com

Cookies

This website uses functional and audience measurement cookies. You can manage your preferences through your browser settings.

Intellectual Property

All content on this site (texts, images, logos) is protected by copyright. Any reproduction without prior authorization is prohibited.

Contact us if you have any questions.

Always a pleasure to hear from you!

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Each month, one of our experts publishes an article describing his view on a specific topic of the constant changes taking place in the energy market, with special focus on the French market.

Biography

Diego is a Consultant at Haya Energy Solutions. He has 1 year of experience specializing in developing models for energy price forecasting, energy availability and production, and battery optimization.

Diego obtained a bachelor’s in Science in Political Economy from the King’s College London, and later a dual Master’s in Management and Computer Science from the IE University of Madrid.

Diego Marroquín

Consultant

Diego Marroquin - Consultant | Haya Energy Solutions
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Biography

Céline is the Head of Business Development and Administration at Haya Energy Solutions. She plays a key role in driving the company’s growth by expanding its market presence, strengthening brand positioning at the European level and implementing strategic initiatives. She also manages the company’s administrative operations, ensuring efficient financial management, including accounting and budget oversight.

She is also a Consultant at Haya Energy Solutions, specialising in the optimisation of energy procurement through the analysis of market trends and regulatory developments. She also provides strategic guidance to identify opportunities and tailor solutions to the specific needs of each client.

Céline holds a degree in Philology from the Sorbonne University and holds a master’s in Project Management and Cultural Tourism from the University of Clermont-Ferrand.

Céline Haya Sauvage

Head of Business Development and Administration

Céline Haya Sauvage | Haya Energy Solutions
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Investment Advice

  • Definition of investment strategy
  • Technical advice on investments
  • Investment assessment (CAPEX, DCF, profitability)

“Decarbonization of the Energy and Transport sectors is arguably today’s main economic driver for the industry.”

Biography

His career started in civil engineering as a Project Manager in France, Martinique and Australia. Afterwards, he became the General Manager of a subsidiary in Venezuela. In 1992, he established Dalkia in Germany (district heating, cogeneration, and partnerships) and represented Véolia in Thailand. In 2000, he opened the commercial office of Endesa in France to take advantage of the liberalized retail market. From 2006, as a development Manager at Endesa France, he led Endesa’s plan for Combined Cycle generation in France and developed the wind and PV portfolio of Snet at the same time. 

Philippe worked for 3 years at E.ON’s headquarters coordinating the company´s activities in France. He was strongly involved in the French hydro concession renewal project. As a Senior Vice President – Project Director at Solvay Energy Services from April 2012 to February 2014 he was in charge of the H2/Power to gas and European direct market access deployment projects. Philippe has been an HES expert since 2014.

Philippe holds engineering degrees both from the Ecole Polytechnique and the Ecole Nationale des Ponts & Chaussées (France) and has a combined experience of more than 25 years in energy and infrastructure. In addition to English, Mr. Boulanger is fluent in French, German & Spanish.

Philippe Boulanger

Electricity Expert

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“The world is changing. New investors pay particular attention to the energy sector while historical actors adapt their position to the market.”

Biography

Antonio is the founder and President of Haya Energy Solutions, a specialized consulting firm focused on the energy sector, which has developed M&A projects in renewable and conventional power generation, cogeneration, district heating, gas and power retail, energy procurement and power optimization in France, Spain, Portugal, Germany and UK.

Prior to this, Antonio was CEO of KKR’s CELEST Power in France (2x410MW CCGT). He was also CEO of Endesa France and General Secretary, Strategy & Corporate Development Director at E.ON France. Formerly, he held different positions at Endesa, including Responsible for M&A at Endesa Europe and Regulation Specialist at Endesa Distribution.

Antonio holds an MBA from the University of Deusto and a degree in Industrial Engineering from the Higher Technical School of Engineering of the University of Seville.

Antonio Haya

President

Antonio Haya - President | Haya Energy Solutions
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