Solutions for electricity transmission and distribution (from low to very high voltage), electricity generation (development and construction of substations) and, moreover, energy management (visible and measurable network).
Power
Power delivered intelligently and efficiently to clients
Power Substation
Construction and installation of substations in turnkey model or within the structure of the General Electrical Installation VHV/ MV/LV
Network Operations - Power
We implement and operate VHV, HV, MV and LV lines
Distributed Generation
We provide energy efficiency solutions using the self-consumption model or small production units
Fiber solutions for overhead cable networks
We develop fiber solutions for aerial transmission lines
Network Engineering - Power
Infrastructure projects of power transmission and distribution lines
Fixed Nework Operations
From the heavy lifting to the more meticulous work, we cover all phases of fiber optic implementation
Mobile Network Operations
We work withall technologies: GSM, DSC, UMTS, WIFI, LTE, GSM-R, 5G
Data Center
Proef designs and implements data centre infrastructures for all industries
Network Operations Center (NOC)
Monitor, identify, investigate, prioritize, and resolve issues that may affect the network
eneida DeepGrid®
Collaborative IoT platform to remotely and online optimize the condition and operation of critical network assets
Phire
Reinforced telecommunications antenna able to "survive" forest fires
PowerBackup
We provide mobile power generators for emergencies
Glartek
Industrial maintenance tool using augmented reality
Photovoltaic Farms
We provide the market with the best integrated solutions in the production of energy from renewable sources (solar, wind, hydro)
Wind Energy
We provide the market with the best integrated solutions in the production of energy from renewable sources (solar, wind, hydro)
Comercial
Direct sales and distribution of telecommunications and energy products and services to the residential and business segment
EV charging stations
Proef is certified by Mobi.e to design and install charging stations for electric vehicles for business
Cadastre of infrastructures
Infrastructure cadastre for wastewater or rainwater, telecommunications, gas or electricity networks.
Solar Panel Installation
We offer turnkey solar panel installation solutions for companies.
Success Stories
Because the success of our customers is also ours.
We Drive Change Together
Proef Ecosystem
An ecosystem that goes far beyond simple connectivity.
Take a virtual tour
News
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Telecom
Power
Cities
Corporate
16 April 2021
Proef is working with Unitel, the largest Angolan telecommunications operator, to improve its telecommunications stations' energy efficiency.
Telecom
Power
Cities
Corporate
16 April 2021
With confidence and optimism in the Portugal telecommunications market's future, Proef established a partnership with MMCI Multimédia.
Power
Cities
Corporate
15 April 2021
Proef and EnBW, the third largest energy supplier in Germany, took another step in their relationship through a two-year partnership agreement.
Power
20 May 2021
Galp starts the construction of its first large-scale photovoltaic solar energy project in Portugal, in the Municipality of Alcoutim. Proef's mission is to build a very high voltage (150kV) line.
Power
09 June 2021
Proef, in partnership with Geometric Talks, is involved in the engineering project for the 30kV and 400kV overhead power lines of the Morgavel Wind Farm, in Sines.
Telecom
Power
Cities
Corporate
21 June 2021
Proef's summer internship program is back and will feature students that want to have the first experience in the labor market.
Telecom
Power
Cities
Corporate
05 July 2021
Proef rewards the best student from de electrotechnics technical course of the D. Sancho I school, for the 2nd year in a row.
Power
21 July 2021
Proef is working alongside EDP Renováveis in the construction of the High and Very High Voltage lines of the Sincelo Wind Farm.
Power
Corporate
08 September 2021
Eurico Ferreira Academy keeps surprising in 2021 and trains 313 trainees in the areas of energy and telecommunications.
Telecom
Power
Cities
Corporate
21 October 2021
Proef reinforces its commitment to training its employees and provides training in operation and driving of forklifts.
Power
15 November 2021
The remodeling and uprating of the Bouça Line – Zêzere 1, at 150kV, was concluded, together with REN and EIP.
Telecom
Power
Cities
Corporate
16 November 2021
Proef's Trainee Program is back to receive professionals in the areas of Engineering, on a professional internship.
Telecom
Power
28 January 2022
The year 2021 ended at the Eurico Ferreira Academy with the Tension Work course – Very High Voltage – Potential Method.
Telecom
Power
Cities
Corporate
17 February 2022
A data center, also known as a data processing center, is characterized as a physical building that companies use to house information that is of great relevance to their business.
Power
Cities
Corporate
13 April 2022
Ask for an estimate now to install photovoltaic solar panels in your company and reduce the price of your electricity bill.
Telecom
Power
Cities
Corporate
14 June 2023
If you want to have your first contact with the job market, this is your opportunity.
Telecom
Power
Cities
Corporate
15 July 2022
As our premise is "Safe, always." We invite our employees to take the "Basic Life Support" course.
Telecom
Power
Cities
Corporate
03 August 2022
Proef DNA is to employees who have excelled exceptionally during the year, based on three essential pillars: Ambition, Leadership, and Innovation.
Telecom
Power
Cities
Corporate
16 June 2023
The Proef DNA Award is based on three essential pillars, ambition, leadership and innovation. Meet the winners.
Telecom
Power
Cities
Corporate
02 February 2024
The beautiful city of Aveiro welcomed Proef to our Managers' Meeting.
Telecom
Power
Cities
Corporate
04 March 2024
On 27th February, Proef and the CCG/ZGDV Institute organised an event for startups and SMEs with a focus on the digital transition.
Telecom
Power
Cities
Corporate
27 June 2024
Proef has committed to the international "Net Zero" initiative, aligning with the European Union's goal of achieving carbon neutrality across its territory by 2050.
Telecom
Power
Cities
Corporate
28 June 2024
We know that incidents can happen, so we make a point of being prepared for all eventualities, including scenarios such as Environmental Emergencies, serious workplace accidents, and Business Continuity Disruptions.
Power
Cities
Corporate
12 July 2024
Proef and HCapital invest in Libattion to promote sustainable energy transition with innovative battery recycling and storage solutions.
Telecom
Power
Cities
Corporate
18 July 2024
On the first day of our Proef Summer Days, we greeted an enthusiastic group of young professionals eager to kickstart their careers.
Telecom
Power
Cities
Corporate
05 February 2025
On January 23rd and 24th, we came together for our Managers' Meeting, where we set new goals for a successful 2025.