
Lean Energy Solutions Ltd

1.6
Nairobi, Kenya
March 2026
Other power generation
Manufacturing
Kenya,
Tanzania,
Uganda
Lean Energy Solutions is a renewable energy company established in 2007, with operations across East Africa. The company focuses on supporting industrial decarbonization by enabling industries to transition from fossil fuels to renewable biomass for thermal energy. Its core activities include the development and operation of biomass boiler projects under a Build-Own- Operate model, biomass briquette manufacturing, and industrial energy audits. Lean Energy partners with industrial clients to replace fossil fuel boilers with biomass systems powered by locally available agricultural residues such as maize cobs, coffee husks, and other organic waste streams. It operates in the specialised space of industrial utility outsourcing, under the business model popularly known as Build-Own-Operate Through its operations, the company transforms agricultural waste into a reliable, sustainable industrial fuel—reducing landfill waste, lowering greenhouse gas emissions, and enhancing energy resilience for its clients.
Overall B Impact Score
Governance 15.9
Governance evaluates a company's overall mission, engagement around its social/environmental impact, ethics, and transparency. This section also evaluates the ability of a company to protect their mission and formally consider stakeholders in decision making through their corporate structure (e.g. benefit corporation) or corporate governing documents.
What is this? A company with an Impact Business Model is intentionally designed to create a specific positive outcome for one of its stakeholders - such as workers, community, environment, or customers.
Workers 25.4
Workers evaluates a company’s contributions to its employees’ financial security, health & safety, wellness, career development, and engagement & satisfaction. In addition, this section recognizes business models designed to benefit workers, such as companies that are at least 40% owned by non-executive employees and those that have workforce development programs to support individuals with barriers to employment.
Community 16.6
Community evaluates a company’s engagement with and impact on the communities in which it operates, hires from, and sources from. Topics include diversity, equity & inclusion, economic impact, civic engagement, charitable giving, and supply chain management. In addition, this section recognizes business models that are designed to address specific community-oriented problems, such as poverty alleviation through fair trade sourcing or distribution via microenterprises, producer cooperative models, locally focused economic development, and formal charitable giving commitments.
Environment 27.0
Environment evaluates a company’s overall environmental management practices as well as its impact on the air, climate, water, land, and biodiversity. This includes the direct impact of a company’s operations and, when applicable its supply chain and distribution channels. This section also recognizes companies with environmentally innovative production processes and those that sell products or services that have a positive environmental impact. Some examples might include products and services that create renewable energy, reduce consumption or waste, conserve land or wildlife, provide less toxic alternatives to the market, or educate people about environmental problems.
What is this? A company with an Impact Business Model is intentionally designed to create a specific positive outcome for one of its stakeholders - such as workers, community, environment, or customers.
Customers 2.4
Customers evaluates a company’s stewardship of its customers through the quality of its products and services, ethical marketing, data privacy and security, and feedback channels. In addition, this section recognizes products or services that are designed to address a particular social problem for or through its customers, such as health or educational products, arts & media products, serving underserved customers/clients, and services that improve the social impact of other businesses or organizations.
What is this? A company with an Impact Business Model is intentionally designed to create a specific positive outcome for one of its stakeholders - such as workers, community, environment, or customers.