Pumped Storage — Prelims Questions

Which of the following statements about Pumped Storage Hydropower (PSH) in India is/are correct? 1. PSH projects primarily aim to store surplus electricity from thermal power plants. 2. The Tehri Pumped Storage Project utilizes two distinct reservoirs for its operation. 3. PSH systems typically have a round-trip efficiency exceeding 90%. 4. PSH is considered a mature technology for long-duration energy storage. Select the correct answer using the code given below:

Which of the following services are typically provided by Pumped Storage Hydropower (PSH) plants to the electricity grid? 1. Frequency regulation 2. Black start capability 3. Voltage support 4. Base-load power generation Select the correct answer using the code given below:

Consider the following statements regarding the environmental aspects of Pumped Storage Hydropower (PSH) projects: 1. PSH projects generally have a lower carbon footprint during operation compared to fossil fuel plants. 2. Land submergence and displacement of communities are common environmental and social challenges associated with PSH. 3. PSH projects typically require minimal geological prerequisites, making site selection highly flexible. Which of the statements given above is/are correct?

Which of the following is NOT a key component of a typical Pumped Storage Hydropower (PSH) system?

Consider the following statements about the economic aspects of Pumped Storage Hydropower (PSH): 1. PSH projects are characterized by low initial capital expenditure (CAPEX) but high operational costs. 2. The long operational life of PSH plants contributes to a competitive Levelized Cost of Energy (LCOE) over time. 3. PSH provides economic value through energy arbitrage and provision of ancillary grid services. Which of the statements given above is/are correct?