Who We Are & What We Do

SunGate Solar Ltd is a professional Solar Power design, installation, and maintenance company committed to improving the standard of living and development of South Sudan through the delivery of sustainable energy for private, public, NGO, and commercial customers. SunGate Solar is owned and entirely staffed by South Sudanese. We have our own professionally trained technicians stationed in every region to ensure quick service delivery to our customers. We care about the quality of our products and services and that is why we provide the best warranty in the country. We do not just sell you the product, we are also there throughout the products lifetime.

Our Vision

To electrify South Sudan for economic growth.

Our Mission

Our mission is to ignite the potential of our clients through the power of solar energy. We design, install, and maintain innovative solar power systems for private, public, and commercial customers.

Our Core Values

Integrity, Reliability & Creativity.


Based in Wau, the company was started in 2013 by founder (Mou Riiny) and US-based NGO (Village Help for South Sudan) with additional technical support by IEEE (Institute of Electrical and Electronics Engineers). In 2015, SunGate Solar formed and registered in South Sudan as a commercial, for-profit venture. SunGate Solar receives financial and management support from SunGate Solar Holdings LLC based in USA (Acton, MA).

SunGate’s main offices are in Wau and Juba, and we operate in the regions around Wau, Aweil, and Juba. Serving more than 2000 customers, SunGate has sold over 110 kiloWatts of solar power. Our electricity has supported over 13,000 people with solar solutions of all sizes. By the end of 2017 our solutions delivery success included more than 25 large commercial systems. We have 30 employees currently on our staff. SunGate is continuing to innovate and invest in new solar solutions and expand to other locations in South Sudan. SunGate expects to grow to over 50,000 people impacted within 2 years, with the goal of serving over 1 million people within 10 years.

Why SunGate?
  • SunGate has sold over 2,000 small, portable units and more than 25 commercial systems in South Sudan since 2013.
  • Our company has been in South Sudan for five years and is here to stay.
  • We use only American, German and carefully examined Chinese solar equipment manufacturers.
  • SunGate is American backed, and the CEO is a South Sudanese citizen with an Electrical Engineering degree from an American university.
  • Our headquarters are in Wau with 6 offices across the country, including Juba.
  • The company employs a large local staff, including: technicians and administrative / sales personnel.
  • We have sold and installed more than 110 KW of solar power and served thousands of customers across the country.
  • Our technicians provide maintenance service for systems we install and those installed by other companies.
  • We provide a generous warranty.
  • We take quality service seriously. Let us prove it to you!
Why Solar?
  • Solar Power is more reliable than diesel generators and cheaper over time.
  • Solar energy protects the environment.
  • Solar is cleaner and healthier for your home and family.
  • South Sudan has an abundance of sunlight to provide ample energy for any size system.
  • Once your solar power system is installed, it will provide reliable energy for a long time with low maintenance costs.

Our Team

Mou Riiny, CEO

Mou Riiny was educated in the United States, where he received his degree in Electrical Engineering from the University of San Diego in 2011. After graduating, Mou returned to South Sudan where he worked for a non-profit organization to lead a program building schools and installing several village-level solar energy solutions for community facilities in remote locations. In 2013 he founded SunGate Solar and serves as our CEO. Mou is married and lives with his wife and son in Wau.

Bona Nhial

Bona Nhial Kuot

Administrator. Bona Nhial graduated from teacher’s training academy in 2013 and became the Principle of Marol Academy. Nhial joined SunGate in 2016, holding the positions of Sales & Logistics manager along the way. Bona is now the company’s administrator in charge of branch operations and HR.


John Garang Mabior

Project Engineer. John is the company’s Project Engineer. He joined SunGate as a technician in December 2017, after earning his Bachelor of Science in Electrical Engineering from Vels University in India. After one year as a technician, he was promoted to his current position of project Engineer, where he has successfully led the design and installation of several projects all over the country.


John Baptiste

John Lodoumoe Baptist

Financial Controller. John is the company’s Financial Controller, in charge of financial operations and accounting. He has previously been the company’s HOC sales Manager and up to now continues to assist the Sales department due to his versatility and wide-ranging skillset.


Makuach Wol

Coordinator. Makuach Wol is currently studying Accounting at the University of Juba’s School of Business Administration. Makuach has been with SunGate since 2015, holding various jobs from office manager to sales. Makuach is currently the company’s Coordinator at SunGate’s large Juba Branch.


James Akuei

James Akuei

Marketing Manager. James Akuei earned his Bachelor of Science in Economics from The University of Bahr El Ghazal’s College of Economics and Social studies in 2016 and soon after joined SunGate Solar as a sales Manager, where he oversaw the company’s transition from all-rental to a hybrid direct sales, Installment, and rental service model. He then left for further studies in 2017, attending St. Lawrence University in Kampala (UGANDA). He graduated in 2019 from the School of Management Science, where he was awarded a Master’s Degree in Business Administration, Finance and Accounting. In light of his previous business acumen and newly acquired skills, SunGate Solar recruited James Akuei and is now the company’s marketing manager.


Tito Akok

Tito Akok

Inventory Manager. Tito Akok worked for two years with SunGate from 2017 – 2019 before taking a short break. He previously held various positions, including as a regional manager in Wau as well as Juba, where he showed a great deal of commitment to company success, quickly changing how the company operated. In 2020, Tito returned to SunGate as the company’s inventory manager, also assisting with logistics.