80 MW out of 100 MW NTPC Ramagundam floating solar PV project commences commercial operation

K M Dayashankar


NTPC regional executive director (south) Naresh Anand appreciates team Ramagundam for this achievement

NTPC targets of generating 60 GW of renewable energy capacity by 2032


PEDDAPALLI: Third part capacity of 42.5 MW out of 100 MW NTPC Ramagundam Floating Solar PV Project at Ramagundam, Telangana is declared commercial operation with effect from 00:00 hours of March 24, 2022.

With this, total capacity of 80 MW is under commercial operation. The first and second part capacities of 17.5 MW and 20 MW respectively have been declared commercial operation with effect from October 28, 2021 and December 22, 2021 respectively.

On achieving the milestone, Regional Executive Director (South) Mr Naresh Anand appreciated team Ramagundam and reiterated the NTPC’s commitment for Renewable Energy. Actualizing NTPC’s target of 60 GW of renewable energy capacity by 2032, Southern Region is taking concerted efforts. Besides Ramagundam, the NTPC-Simhadri (Andhra Pradesh) has already installed 25 MW Floating Solar while work is in full swing at NTPC-Kayamkulam (Kerala) to install 92 MW Floating Solar in near future, Mr Anand added.

Largest in the segment in the country, the 100-MW Floating Solar project at Ramagundam spreads over 450 acres of its reservoir with financial implication of Rs 423 crore. Divided into 40 blocks, each having 2.5 MW capacity.  Each block consists of one floating platform and an array of 11,200 solar modules. The floating platform consists of one Inverter, Transformer, and a HT breaker. The solar modules are placed on floaters manufactured with HDPE (High Density Polyethylene) material.

The entire floating system is being anchored through special HMPE rope to the dead weights placed in the balancing reservoir bed. The power is being evacuated up to the existing switch yard through 33KV underground cables.

This project is unique in the sense that all the electrical equipment including inverter, transformer, HT panel and SCADA are also on floating ferro cement platforms. The anchoring of this system is bottom anchoring through dead weight concrete blocks.

There are several advantages of a floating solar project. The most obvious advantage is that land requirement is drastically reduced, because we need land only for associated evacuation arrangements. Secondly, with the presence of floating solar panels, the evaporation rate from water bodies is reduced, thus helping in water conservation. Finally, the water body underneath the solar modules helps in maintaining their ambient temperature, thereby improving their efficiency and generation.

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