Energy and Utilities Renewable Energy 2

Question 1

What does REC stand for in renewable energy markets?

Accepted Answer

Renewable Energy Certificate

Answer

Regional Energy Contract

Answer

Regulated Electricity Credit

Answer

Renewable Equipment Cost

Question 2

What is the 'duck curve' phenomenon in power grid management?

Accepted Answer

A daily load shape with a midday solar dip and steep evening ramp resembling a duck

Answer

A pipeline pressure curve shaped like a duck

Answer

A grid frequency variation pattern

Answer

A wind power output pattern

Question 3

What is the nameplate capacity of a wind turbine?

Accepted Answer

The maximum rated power output under ideal conditions

Answer

The average annual output in MWh

Answer

The turbine's rotor diameter in meters

Answer

The minimum wind speed needed to generate power

Question 4

What is 'curtailment' in the context of wind or solar power?

Accepted Answer

Reducing output below what could be generated due to grid constraints or excess supply

Answer

Shutting down a plant for scheduled maintenance

Answer

Ramping up generation to meet peak demand

Answer

Disconnecting a plant during a storm

Question 5

Which battery chemistry is most commonly deployed in utility-scale energy storage systems in the US?

Accepted Answer

Lithium-ion

Answer

Lead-acid

Answer

Nickel-cadmium

Answer

Vanadium redox flow

Question 6

What is a Power Purchase Agreement (PPA) in renewable energy?

Accepted Answer

A long-term contract to buy electricity from a renewable generator at a fixed price

Answer

A utility's application for a new power plant permit

Answer

A federal subsidy for renewable energy projects

Answer

An insurance policy for wind turbines