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HES Team

At Haya Energy Solutions (HES), we have a team not only of energy consultants but also of highly qualified experts, whose combined experience exceeds 20 years in the energy sector.

We believe in the power of knowledge and the importance of sharing it. Our mission is to provide comprehensive and customised solutions for large energy consumers and producers, helping them to optimise their consumption and achieve their business objectives in an increasingly complex and changing energy environment. We are a team of experts committed to the energy of the future and its key role in the transformation to a more efficient world. Through our 360° vision and analysis of market trends, we anticipate industry changes and develop innovative solutions that generate significant improvements in efficient and responsible energy production.

We are committed to providing expert advice based on our deep industry knowledge, ensuring efficiency, sustainability and cost-effectiveness in energy management.

Antonio Haya - President | Haya Energy Solutions

Antonio Haya

President

Manuel Domínguez León - CEO | Haya Energy Solutions

Manuel Domínguez León

CEO

Paloma Hepburn Jimenez - Senior Consultant | Haya Energy Solutions

Paloma Hepburn Jiménez

Senior Consultant

Lourdes Granados Mesa - Senior Consultant | Haya Energy Solutions

Lourdes Granados Mesa

Senior Consultant

Céline Haya Sauvage - Head of Business Development and Administration | Haya Energy Solutions

Céline Haya
Sauvage

Head of Business Development and Administration

Guillermo Llanos Macias | Haya Energy Solutions

Guillermo Llanos Macías

Consultant

Cheyenne Rueda Lagasse - Consultant | Haya Energy Solutions

Cheyenne Rueda Lagasse

Consultant

Irene Sanchez-Haro Montero - Marketing Manager and Business Developer | Haya Energy Solutions

Irene Sánchez-Haro Montero

Marketing Manager and Business Developer

Diego Marroquin - Consultant | Haya Energy Solutions

Diego Marroquín

Consultant

Pablo Gandullo Romero | Haya Energy Solutions

Pablo Gandullo Romero

Consultant

Thibault Uhl | Haya Energy Solutions

Thibault Uhl

Consultant

HES experts

Philippe Boulanger - Electricity Expert | Haya Energy Solutions

Philippe Boulanger

Electricity Expert

Philippe Lamboley - Gaz Expert | Haya Energy Solutions

Philippe Lamboley

Gaz Expert

Manuel Lopez - Thermic Production Expert | Haya Energy Solutions

Manuel López

Thermic Production Expert

HES and its employees share and defend 4 values that are essential to the professional world:

Equality

Transparency

Solidarity

Respect

The cultural diversity of the team is a strength for the company because it highlights an international aspect and a multicultural approach that is reflected in the projects. Employees with more seniority provide support to newcomers to ensure optimal integration and work efficiency.

HES was founded on a spirit of caring, solidarity and support, both among employees and towards customers. Tasks are carried out as a team, with the aim of providing solutions for customers.

HES Team | Haya Energy Solutions
HES Team | Haya Energy Solutions
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HES relies on a network of experts specialised in various branches of the energy sector, allowing us to use the best of expertise to provide you with Integral and complete solutions for your energy challenges.

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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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Biography

Manuel has been serving as CEO of Haya Energy Solutions since March 2024, leveraging 10+ years of international experience in the energy sector. His approach, which integrates technical, commercial, regulatory, and strategic perspectives, has enabled him to successfully lead multiple M&A projects, including the acquisition of a major power utility in Italy, a renewable energy developer in France, and a large energy utility in Germany. Additionally, he has advised both energy consumers and producers on optimizing their energy strategies, driving cost reductions, revenue growth, and sustainability. In 2021, he spearheaded HES’s expansion into Spain, building the Seville office from the ground up, securing a strong client portfolio, and assembling a high-performing team.

Prior to joining HES, Manuel began his career in international construction projects with Abengoa, working in Spain, the U.K., and Chile. In 2016, he transitioned to CELEST under KKR ownership in France, where he managed operations and maintenance for two 420MW CCGT plants.

Manuel holds a degree in Industrial Engineering from the Higher Technical School of Engineering of the University of Seville and an MBA from the School of Industrial Organisation EOI.

Manuel Domínguez León

CEO

Manuel Domínguez León - CEO | Haya Energy Solutions
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Biography

Paloma is a Senior Consultant at Haya Energy Solutions. She has 5 years of experience specialising in energy markets in Spain.

She started at HES as an intern in 2018, participating in cogeneration and combined cycle projects. In 2019, she joined Elmya, S.A. as an Operations and Maintenance engineer in the photovoltaic sector, managing technical teams and supervising 300MW in solar parks in several countries. In 2021, she returned to HES as a Consultant, focusing on value capture projects through renewable energy installations and defining procurement, billing and energy management strategies for Spanish consumers.

Paloma holds a degree in Industrial Engineering with a specialisation in energy from the Higher Technical School of Engineering of the University of Seville and completed her studies with a master’s in Seville and at the Central School of Nantes.

Paloma Hepburn Jiménez

Senior Consultant

Paloma Hepburn Jimenez | Haya Energy Solutions
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Biography

Lourdes is a Senior Consultant at Haya Energy Solutions with 13 years of experience in the energy sector.

She began her career at Nobatek, a French institute for energy and environmental transition in the construction industry. In 2012, she joined HES, contributing to M&A projects, energy strategies, and market operations for two CCGTs. In 2018, she became Portfolio Manager at SNCF, the French railway company, managing an electricity portfolio of 6 TWh. In 2022, she was appointed Deputy Director of Operations and Development at SNCF. Lourdes returned to HES in 2024 as Senior Consultant.

She holds a degree in Industrial Engineering from the Higher Technical School of Engineering of the University of Seville and completed her studies in International Business at the ENSAM (École Nationale Supérieure des Arts et Métiers) and INSEEC.

Lourdes Granados Mesa

Senior Consultant

Lourdes Granados Mesa - Senior 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 - Head of Business Development and Administration | Haya Energy Solutions
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Biography

Guillermo is a Consultant at Haya Energy Solutions with 3 years of experience in the energy sector. He has played a key role in a diverse range of projects, including M&A, portfolio and risk management, and procurement strategy, among others. His expertise lies in a broad and practical knowledge of the energy sector that allows delivering strategic insights and solutions that drive value for clients.

Guillermo holds a degree and a master’s in Industrial Technologies Engineering from the University of Seville, with an exchange with the University of Bologna during his Degree and with the Polytech Lyon of Claude Bernard Lyon 1 University during his Master studies.

Guillermo Llanos Macías

Consultant

Guillermo Llanos Macias | Haya Energy Solutions
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Biography

Cheyenne is a Consultant at Haya Energy Solutions. He has 2 years of experience as an energy market analyst, specialising in optimising customer energy consumption. He is also responsible for CCGT O&M and the development of biogas and biomethane projects. In addition, he develops forward energy price curve models in various countries and performs gas and power market analysis in Europe.

Cheyenne holds a degree in Agronomy from the Higher Technical School of Engineering of the University of Córdoba and completed his studies with a master’s in Ecosystem Data Analysis and Modelling from the University of Göttingen.

Cheyenne Rueda Lagasse

Consultant

Cheyenne Rueda Lagasse - Consultant | Haya Energy Solutions
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Biography

Irene is a Marketing Manager and Business Developer at Haya Energy Solutions. With 2 years of experience, she focuses on identifying growth opportunities, optimizing marketing strategies, and strengthening Haya Energy Solutions presence in the Spanish market. She specializes in market expansion, brand positioning, and business development within the energy sector.

She holds a degree in Advertising and Public Relationship with a specialization in Digital Communication from the EUSA University Centre of Seville.

Irene Sánchez-Haro Montero

Marketing Manager and Business Developer

Irene Sanchez-Haro Montero - Marketing Manager and Business Developer | Haya Energy Solutions
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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

Pablo is a Consultant at Haya Energy Solutions. He has 2 years of experience specialising in energy audits within the field of sustainability and energy efficiency, focused on large commercial, hospital and hotel spaces. Additionally, he has experience in preparing justifications for European energy grants aimed at improving the energy performance of various spaces, such as medical facilities or residential areas.

Pablo holds a degree in Industrial Chemical Engineering from the Polytechnic School of the University of Seville and a master’s in Industrial Engineering from the Higher Technical School of Engineering of the University of Seville.

Pablo Gandullo Romero

Consultant

Pablo Gandullo Romero | Haya Energy Solutions
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Biography

Thibault is a Consultant at Haya Energy Solutions. He has 1 year of experience specialising in financial research within the banking sector. He provides guidance in financial modelling to assist with the development and implementation of energy optimization solutions.

Thibault holds a master’s in Financial Engineering from the EDHEC Business School, with an exchange at the Fordham University in New York.

Thibault Uhl

Consultant

Thibault Uhl | Haya Energy Solutions
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“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

Philippe Boulanger - Electricity Expert | Haya Energy Solutions
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“Natural gas will play a central role in a low-carbon economy: with the advent of power-to-gas and biogas, it will evolve from being a fossil energy to become a green energy. And it presents an indispensable advantage to facilitate the emergence of renewable, but intermittent energy sources such as wind or photovoltaic: it is storable, in already existing infrastructures!”

Biography

Philippe has spent his entire career in the energy industry, first at TOTAL, from 1979 to 2001, and then at E.ON. At TOTAL, his experience covered upstream activities (oil & gas exploration) as well as downstream activities in the gas and power sectors. He led the successful negotiation and start of construction of the Taweelah A2 1350 MW gas-fired power and water desalination plant in Abu Dhabi, U.A.E. 

After joining E.ON, he successfully developed the French retail gas business of E.ON Ruhrgas before becoming Director of Sales for both gas and power at E.ON France. Philippe is an HES expert since 2012.

Philippe holds an engineering degree from the Ecole Polytechnique (Paris, class of 1976) and an MBA from Berkeley University (California, USA, class of 1983).

Philippe Lamboley

Gas Expert

Philippe Lamboley - Gaz Expert | Haya Energy Solutions
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“Power produce low cost is not enough. It is more important than ever before to produce better results in maximizing its value” 

Biography

Manuel has focused his professional career on the thermal power generation sector by holding several positions in the construction, operation and management of power plants in different countries. He started his career in 1972 at the Besos power plant (Spain). Since 1976, he participated in the construction and operation of the Foix power plant (Spain). In 1981, he was responsible for Maintenance Operations, to later become the Director of the plant in 1988. From 1987 to 1997, he was a member of the Executive Committee of the Térmicas del Besos Company. 

From 1998 to 2002, he was Head of Production of 5 plants (2,150 MW). In 2002, he arrived in France and worked as a Production Manager at Snet (5 power plants, 2,500 MW), for which he led several projects in coal-fired plants pollution, automation and processing biomass plant of Bialistok (Poland), and participated in the development of 4 CCGT units to be built in France. In 2008, he was appointed CEO of Endesa Hellas, where he was involved in the construction and operation of the Viotia 400MW CCGT (Greece). From 2012 to 2018, Manuel participated in the preparation of a number of Technical Due Dilligiences (Alpiq, Coriance, etc) and, more specifically, those related to Toul and Pont-sur-Sambre CCGTs (CELEST), power plants for which he also coordinated Operations and Maintenance since 2015. Manuel has worked as an independent consultant for HES since 2012. He was CEO of Endesa Hellas (Greece) between 2008 and 2010.

Manuel graduated from the Escuela Superior de Ingenieros de Barcelona (1971) and holds an MBA degree (1991).

Manuel López

Thermic Production Expert

Manuel Lopez - Thermic Production Expert | Haya Energy Solutions
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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.

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