The Tamil Nadu Generation and Distribution Corporation (TANGEDCO) plays a key role in:

Power generation
Power transmission and distribution
Power purchase agreements
Renewable energy development

The correct answer is: b) Power transmission and distribution.

TANGEDCO is a state-owned electricity utility company in India. It is responsible for the generation, transmission, and distribution of electricity in the state of Tamil Nadu. The company has a total installed capacity of over 15,000 MW and a transmission and distribution network of over 100,000 km.

TANGEDCO plays a key role in the power sector of Tamil Nadu. The company is responsible for meeting the electricity needs of the state’s population and industries. It also plays a role in the development of renewable energy in the state.

The other options are incorrect because:

  • Option (a), power generation, is not the only role that TANGEDCO plays. The company is also responsible for transmission and distribution.
  • Option (c), power purchase agreements, is not a role that TANGEDCO plays. The company is responsible for generating, transmitting, and distributing electricity, not for purchasing it.
  • Option (d), renewable energy development, is a role that TANGEDCO plays, but it is not the only role that the company plays.