to raise your savings while you benefit from energy shift and sustainability.
For more than 6 years, based on an expertise of 10+ years, RToFES has stood as a beacon of trust in the Solar Energy Analysis, Sizing and Technical Specificatons of PV Projects, as well as in the Analysis, Sizing, and Technical Specifications of Battery Energy Storage Systems (BESS). Also recognized as a prefered partner for Field Quality Control activities, it is Nestled in Cascais, Lisbon, Portugal, and our team comprises experts in solar energy committed to ensuring the most innovative, profitable and best performers pv projects for all kind of companies and investors within any kind of activity sector.
Know MoreWe empower your vision of a dynamic, efficient and sustainable future. We give shape to your ideas and ensure their implementation.


Extractive and Processing industry
Retail Businesses and Other Services
Hospitals, Local Health Units, PSSI
Schools, Central Administration, Local Administration
Tourist Complexes, Hotels, Villas, Local Accommodation, Rural Tourism
Agrivoltaic
Energy Communities and Collective Self-Consumption
We provide independent technical advice for every stage of your solar photovoltaic project. We are focused only in solar power, so our experience and knowledge in solar energy covers all the necessary requirements throughout the life of your project, from initial planning to the operation phase. In addition, we have deep knowledge and extensive experience in carrying out studies of solar PV projects with battery energy storage systems (BESS).
See MoreWe give you a totally independent and personalized pv project development as well as BESS development. We support business leaders, decision makers, EPC companies, Owners, investors and all other stakeholders with highly accurate and precise PV and BESS engineering projects.
See MoreComprehensive project management, from start to completion, optimizing deadlines, time, resources and the costs associated with it.
See MoreOur inspection and Quality Control services bring certainty and safety to your projects, assure you right from the beginning the health and good work of the eqquipments, its correct installation, assuring you the accepted or contracted performance ratios, giving you accurate and independent information at every stage of your project construction lifecycle.
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