Khen Energy Ltd, formerly known as Charisma Energy Services Ltd, is an investment holding company which engages in the power and energy service businesses. It is involved in owning and leasing hydropower generation equipment, and accommodation modules, and trading of oil and gas related products. It also offers ship owning and chartering services, as well as develops, owns, and operates a solar power plant. The group's revenue, capital expenditure, assets and liabilities were mainly derived from one single business segment, being development and operation of renewable energy power plants for the generation and sale of renewable energy. Its Substantial revenue for the company is generated from its Energy and power services segment. The businesses of the Group are in Singapore and Sri Lanka.