- Company name: Sun King (formerly known as Greenlight Planet)
- Year founded: 2007
- Operational in:
- East Africa – Ethiopia, Somalia, Uganda, Kenya, Burundi, Tanzania, Malawi
- West and Central Africa – Senegal, Guinea-Bissau, Guinea, Sierra Leone, Liberia, Cote d’Ivoire, Ghana, Togo, Benin, DRC, Cameroon, Nigeria, Burkina Faso
- Southern Africa – Zambia, Zimbabwe, Mozambique, South Africa, Madagascar
- South Asia – Pakistan, India
- Asia-Pacific – Myanmar, Thailand, Malaysia, Philippines, Indonesia, Timor Leste, Micronesia, Papua New Guinea, Solomon Islands, Vanuatu, Fiji, Kiribati
- Latin America – Peru, Colombia, Honduras
- Total raised since founding year: USD 700 million+
Year | Stage / financing type (if available) | Investors / financiers (if available) | Amount raised (USD) & notes* |
| 2007-2011 | Seed funding | Prabha Sinha | USD 4.5 million |
| 2012 | Series A | Prabha Sinha, Bamboo Capital | USD 4 million |
| 2015 | Series B | Fidelity Growth Partners India, Deutsche Bank, Global Partnerships | USD 10 million |
| 2016 | Not available | OPIC | USD 5 million *In 2019, OPIC merged with USAID to form the Development Finance Corporation (DFC). |
| 2020 | Not available | CDC (now called BII), FMO, Norfund, ResponsAbility, SIMA Funds, Symbiotics, Global Partnerships, ARCH Emerging Markets Partners’ Africa Renewable Power Fund | USD 90 million |
| April 2022 | Series D | BeyondNetZero, M&G, Arch Emerging Markets Partners | USD 260 million *USD 100 million from amount, used to expand PAYG solutions and develop solar solutions that can power larger appliances like refrigerators. |
| December 2022 | Bond | Symbiotics | USD 17 million Symbiotics is an investment and market access platform. Proparco invested USD 10 million in a green bond arranged by Symbiotics. |
| December 2022 | Series D | LeapFrog Investments | USD 70 million *USD 38 million from the amount, used to support Sun King’s objective of increasing financing options for consumers. *Series D reportedly enabled the successful exit of all Sun King’s pre-2022 institutional investors. |
| September 2024 | Loan | Symbiotics | USD 6.5 million *Sun King raised this loan through Micro, Small & Medium Enterprises Bonds S.A. The loan will be repaid by September 2028. Loan proceeds are used for purchasing more products and providing customers with more loans. |
| May 2025 | Debt facility | Stanbic Bank, IFC | USD 80 million *Local currency (naira) denominated facility. IFC contributed USD 50 million. |
| July 2025 | Securitization | ABSA, Citi, KCB Bank, Stanbic Bank Kenya, Co-operative Bank of Kenya, BII, FMO, Norfund, Norwegian Investment Fund | USD 156 million *Largest securitization completed in Sub-Saharan Africa. It is denominated in Kenyan shillings and was arranged by Citi. The placement agent was Stanbic Bank Kenya. By 2025, Sun King had provided up to USD 1.3 billion in loans to Africans. |
| December 2025 | Equity | Lightrock | USD 40 million *Funding to be used for increasing product offerings and improving installation and service infrastructure. |