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January 17, 2022

Alten Renewable Hardap-Mariental Solar PV Park, Namibia

By Carmen

Alten Renewable Hardap-Mariental Solar PV Park is a 45.5MW solar PV power project. It is located in Hardap, Namibia. The project is currently active. It has been developed in single phase. Post completion of construction, the project got commissioned in October 2018.

Project Type Total Capacity (MW) Active Capacity (MW) Pipeline Capacity (MW) Project Status Project Location Project Developer
Solar PV 45.5 45.5 Active Hardap, Namibia ALTEN Hardap; Sterling and Wilson


The project was developed by ALTEN Hardap and Sterling and Wilson. Alten Energias Renovables and NamPower are currently owning the project having ownership stake of 51% and 19% respectively.

Alten Renewable Hardap-Mariental Solar PV Park is a ground-mounted solar project which is spread over an area of 100 hectares.

The project generates 121GWh electricity thereby offsetting 33,000t of carbon dioxide emissions (CO2) a year. The project cost is $70m.

Development Status

The project got commissioned in October 2018.

Power Purchase Agreement

The power generated from the project is sold to NamPower under a power purchase agreement with a contracted capacity is 37MW.

Contractors Involved

Sterling and Wilson Solar was selected to render EPC services for the solar PV power project.

Astronergy was selected as the supplier of the PV modules for the project. The company provided 140,000 modules each with 325W of nameplate capacity.

The inverters were procured from Gamesa Electric for the project.

The project is utilising single axis trackers supplied by Soltec Energias Renovables.

Alten Energias Renovables is the O&M contractor for the solar PV power project.

About Sterling and Wilson

Sterling and Wilson Pvt Ltd (Sterling and Wilson), a subsidiary of Shapoorji Pallonji & Co Ltd, is a provider of mechanical, electrical and plumbing (MEP) and engineering, procurement, construction (EPC) solutions. The company’s service offering includes operation and maintenance of HV and EHV substations, MEP installations, AV systems, sewage treatment plants, medical gas plants and air compressors, hybrid energy storage and construction of data centres among others. Sterling and Wilson also provides proposal engineering, designing, planning, procurement, quality assurance, project management, field operation, engineering, surveying and testing and commissioning services. The company serves government, state-owned enterprises, hospitality and healthcare, energy and other industries. It has operations in India, the UAE, Australia, Egypt, Qatar, Saudi Arabia, Thailand, South Africa and Kenya. Sterling and Wilson is headquartered in Mumbai, Maharashtra, India.


All power projects included in this report are drawn from GlobalData’s Power Intelligence Center. The information regarding the project parameters is sourced through secondary information sources such as electric utilities, equipment manufacturers, developers, project proponent’s – news, deals and financial reporting, regulatory body, associations, government planning reports and publications. Wherever needed the information is further validated through primary from various stakeholders across the power value chain and professionals from leading players within the power sector.

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