SunPower was responsible for the Engineering Procurement and Construction (EPC) of the Olivenza 18 MW solar power plant located in Badajoz, Spain. It was designed with SunPower's single axis T20 Tracker systems, which uses precast concrete foundations, simplifying the installation without requiring ground penetration.

Solventia was awarded with most of the construction and installation works in the project including: earthworks, tracker foundation, drainage system, underground electrical duct, fencing, mechanical installation, grounding system, electrical installation, MV interconnection and auxiliary systems.

Timing was essential in the construction of the project to meet cut-off date for a lower feed-in tariff. With this situation Solventia deployed all necessary resources in all disciplines to assure milestone completion and achieve end customer satisfaction.
Main challenges to overcome:

  - Tight implementation deadline
  - Precise land levelling
  - Long and complex MV interconnection line

Solventia was responsible for the complete EPC of this solar PV rooftop power plant located on top of a 20,000 m2 rice warehouse in Nonthaburi Province, Thailand, and will also provide the Operation & Maintenance services.

The project was one of the first to be constructed under the New feed-in tariff in Thailand policy, and will contribute to the target of 25% of total energy consumption With renewable energies by 2021 sources.

The rooftop was a trapezoidal metal sheet with a curved shape reaching a height of 21 m at the ridge and 16 m at the eve.

Special light aluminum structure was used to absorb the angles and minimize loads. The plant was designed with thin film PV modules that allow additional yield with high temperatures.
Main challenges to overcome:

  - Safety risks management
  - Roof sheet sealing
  - DC and AC cable routing

Esquiña is a small village of about 100 inhabitants located in the middle of the mountains, in Comuna de Camarones – Arica province, north of Chile, a highly isolated place with big difficulties for the penetration of the electric grid.

Solventia won the public biding by CORFO (Production Development Corporation – Chilean governmental organization to promote economic growth) for the Engineering, Procurement and Construction of a hybrid system (solar PV+diesel generator) and the distribution grid to facilitate access to electricity to all the population in the village.

A total DC power of 52 kW with an automatic inverter/charger connected to high capacity lead batteries and back-up generator set, capable of feeding all the houses and facilities in the village to be completely self-sufficient.

In many areas of the country Solar PV systems have already reached Grid Parity, meaning that we can generate electricity at a cost that is less than or equal to the price of purchasing power from the public grid.
Main challenges to overcome:

  - Planning and logistics
  - Training to local users
  - Remote monitoring and control