Sanima Middle Tamor Hydropower Ltd. (SMTHL) was established in 2016 for the construction and operation of Middle Tamor Hydropower Project (MTHP).

MTHP is a run-of-river (RoR) project located in Khoklin, Hangdewa, Sawadin and Phurumbu VDCs in Taplejung District of Nepal. The black topped approach road from the project site is at Banande, on the Machi Highway (233 Km), 5km south of Phungling Bazar which is the district Headquarter. From Phungling Bazar the project Powerhouse (Thumba village) and Headworks (Mitlung village) sites are accessible by a 5 km and 7 km long earthen road, respectively.

Under the responsibility of Tamor Sanima Energy Pvt. Ltd. (TSE) with close technical consultancy by Sanima Hydro and Engineering Pvt. Ltd. (SHEPL), the study and design of Middle Tamor Hydropower Project have been completed and the Generation License obtained for 54MW.  The Environmental Impact Assessment (EIA) of the Project was approved by the Government in November 2016 and the Power Purchase Agreement (PPA) with Nepal Electricity Authority (NEA) was concluded in January 2017. The Required Commercial Operation Date of the Project is 13 September 2021.