Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

The Viability Analysis of Ubungo II Gas Power Plant Efficiency Improvement Using Co-Generation System in Tanzania

Version 1 : Received: 6 August 2022 / Approved: 8 August 2022 / Online: 8 August 2022 (08:29:12 CEST)

A peer-reviewed article of this Preprint also exists.

Journal reference: Tanzania Journal of Engineering and Technology (TJET) 2022, 41, 158-170
DOI: 10.52339/tjet.v41i2.789


The power utility, Tanzania Electric Supply Company Limited (TANESCO) is faced with challenges of supplying adequate power to the ever-increasing demand. To this end, this paper explores the installed Ubungo Gas Power Plant (UGP II) located in Dar es Salaam to find means of utilizing it in co-generation method. The study embarked on detailed modelling of the system and run simulations which indicated that the co-generation can result to power generation efficiency increase between 10.42 to 50.92%. It is recommended to change the UGP II to exploit this co-generation method. Further, the study could be improved by including more parameters of the gas and steam plant and verify them experimentally.


Co-generation system; Gas turbine control system; System efficiency; Heat balance


ENGINEERING, Energy & Fuel Technology

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