Electricity output reached 9,878 GWh in the first nine months of 2025, a 5.8% rise from last year, driven by strong geothermal expansion and increased thermal generation.
- •The month of September output alone hit 1,098 GWh, up 5% year-on-year. The trend highlights the grid's evolving structure as Kenya targets a fully renewable grid by 2030 while navigating new peak-demand records above 2,400 MW.
- •Geothermal plants delivered 4,402 GWh between January and September, an 8% increase, cementing their role as the grid's predictable baseload.
- •Planned expansion at Olkaria is expected to add further capacity, keeping geothermal central to both growth and reliability.
Thermal generation rose sharply to 1,108 GWh, a 36% increase from the same period in 2024. This largely compensated for a 7% decline in hydropower, which fell to 2,597 GWh. System operators relied more heavily on thermal plants to maintain supply during periods of lower rainfall, a pattern consistent with recent climate assessments.
Wind output increased 8% to 1,418 GWh, though with expected seasonal variability. Solar generation reached 349 GWh, up 4% from 2024, though growth in utility-scale production appears to have plateaued.
Renewables - geothermal, hydro, wind, and solar - continued to supply more than 86% of total electricity. Thermal power served as the essential balancing source, ensuring stability amid weather-driven fluctuations. The generation mix underscores the challenge of meeting rising consumption while maintaining the reliability needed for economic growth.
