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Projects for photovoltaic solar production units
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Installations in the industry, agriculture, commerce and services sectors
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Years of experience

About us

We provide engineering and consulting services for renewable energy systems, focusing on solar photovoltaic solutions for the corporate segment, for individual or collective self-consumption, with or without storage batteries.

With over 10 years of accumulated experience in this sector, we develop and monitor projects across Brazil, spanning sectors such as industry, agriculture, commerce, and services.

Our approach combines specialization and technical rigor with the close proximity and customization that each client demands, ensuring complete control over all phases of the project—from feasibility studies to execution.

Sunsei-Energy-Sobre-nos

Services

We provide engineering and consulting services — technical and commercial — throughout the entire life cycle of photovoltaic solar systems, from initial study to operation.

Feasibility studies

  • Technical feasibility analysis for installation and production
  • Assessment of the economic potential for savings or revenue

Detail engineering

  • Projects for market consultation
  • Licensing projects with DGEG and local entities
  • Execution projects for installation

Bidding processes

  • Preparation of technical-commercial Terms of Reference
  • Technical and commercial management of the consultation process
  • Final executive decision support

Specialized consultancy

  • Development of new solutions, products and business models
  • Training of technical and commercial teams
  • Consulting for process automation and lead generation
  • Development of tools for self-consumption and storage

Commitment

At Sunsei Energy, we are committed to actively contributing to a responsible, results-oriented energy transition in the business sector. Our mission is based on four fundamental pillars.

We are specialists in solar energy, with consolidated experience since 2014, the year in which the first Self-Consumption legislation was introduced in Portugal.
We are dedicated to developing solar energy solutions for companies, allowing them to focus their resources on what really matters: their activity and their business.
We adapt to each client, developing solutions fully tailored to their objectives and requirements.
We are committed to accelerating the energy transition and electrification, contributing to a more sustainable and responsible economy.

Find out what we do

Portfólio

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MWp in 150 PV projects
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consumption units

We highlight here some of the projects developed by Sunsei Energy

FERPINTA group

Oliveira de Azeméis, Portugal

Individual self-consumption UPAC on rooftop and parking lot.
Engineering project + Market consultation

Power: 3 UPACs 5,200 kWp

Ferral

Ovar, Portugal

Individual UPAC Rooftop Self-Consumption
Engineering Project + Market Consultation

Power: 100 kWp

Dimas e Silva

Santa Maria da Feira, Portugal

Individual Self-Consumption UPAC in coverage
Engineering design + Market consultation

Power: 80 kWp

UPAC with batteries

Covilhã, Portugal

Individual self-consumption UPAC on the ground, with batteries.
Engineering project

Power: 120 kWp + 256 kWh

UPAC Collective

Lisboa, Portugal

UPAC Collective Self-Consumption Rooftop
Engineering Project

Power: 5.100 kWp

UPPs

Portugal

Small Production Units
Engineering Project

Power: 17.700 kWp

Multi-site Commerce and Services

Portugal

Individual Rooftop Self-Consumption
Engineering Project

Power: 10 UPACs 1.100 kWp

Multi-site road concession

Portugal

Individual Rooftop Self-Consumption
Survey and standard engineering design

Power: 52 UPACs 480 kWp

Multi-site Germany

Several, Germany

Individual self-consumption on rooftops and soil.
Feasibility studies for production.

Power: 7 UPACs 11.600 kWp

Technical evaluation of PV projects and compliance with specifications for 3 UPACs, totaling 600 kWp

Portugal

Consulting
Technical evaluation of PV projects and compliance with specifications

Benchmark meteo data

Lisboa

Consulting
Comparative study of meteorological databases for photovoltaic production simulation

Self-consumption simulator

Caldas Rainha

Consulting
Development of a potential assessment simulator and proposal generator

*Note: Some of the projects are anonymized for confidentiality reasons.

Some of our clients

contact us

What’s the next project?

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