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Back to Practice Questions
ElectricalPower Generation
PrevNext

The GENCOs sell electricity to

A

Transmission companies

B

Direct customer

C

Entities who have negotiated sell contract with them

D

Distribution companies

Correct Answer

тЪЩя╕П TE тАв Technical Concept & PrincipleElectricalPower Generation
Option C

Entities who have negotiated sell contract with them

Quick Summary:

In a deregulated electricity market, GENCOs (Generating Companies) do not sell electricity to a single entity ┬╖ They operate on a contractual basis, selling power to any entity that has negotiated a Power Purchase Agreement (PPA) or via market mechanisms, which can include distribution companies, large industrial consumers, or power traders.

тЪЩя╕ПTETechnical SolutionConcept & Principle
ЁЯТб Explanation

In a deregulated electricity market, GENCOs (Generating Companies) do not sell electricity to a single entity ┬╖ They operate on a contractual basis, selling power to any entity that has negotiated a Power Purchase Agreement (PPA) or via market mechanisms, which can include distribution companies, large industrial consumers, or power traders.

ЁЯФв Key Formulas

Pcontract=тИСi=1n(Ei├ЧTi)P_{contract} = \sum_{i=1}^{n} (E_i \times T_i)PcontractтАЛ=тИСi=1nтАЛ(EiтАЛ├ЧTiтАЛ) тАФ Total revenue calculation based on energy EEE at negotiated tariff TTT

тЪЩя╕П Working Principle

Post-deregulation, the vertical integration of power utilities is unbundled ┬╖ GENCOs focus solely on production and enter into contractsтАФeither long-term PPAs with DISCOMs or short-term agreements through power exchangesтАФto sell their generated capacity or energy output ┬╖ These contracts are legally binding instruments that define the tariff, duration, and quantity of power supplied.

ЁЯУМ Key Points
  • тЦ╕

    Unbundling separates Generation, Transmission, and Distribution.

  • тЦ╕

    GENCOs are independent entities in a competitive market.

  • тЦ╕

    PPAs (Power Purchase Agreements) serve as the primary legal foundation for electricity trade.

  • тЦ╕

    Market clearing price is determined by the intersection of supply and demand bids in power exchanges.

тЬЕ Advantages
  • тЦ╕

    Increased operational efficiency due to competition.

  • тЦ╕

    Greater choice for consumers and entities to source power.

тЭМ Disadvantages / Limitations
  • тЦ╕

    Complexity in contract management.

  • тЦ╕

    Potential volatility in market-clearing prices.

ЁЯЫая╕П Applications / Uses
  • тЦ╕

    Wholesale electricity markets

  • тЦ╕

    Merchant power plants

  • тЦ╕

    Captive power supply arrangements

ЁЯУД Additional Information
  • тЦ╕

    GENCOs focus on asset utilization and minimizing variable cost (fuel/O&M).

  • тЦ╕

    Option D is incomplete because, while DISCOMs are primary buyers, GENCOs can also sell to other entities like industrial consumers or via open access, making C the most technically accurate and comprehensive answer.

ЁЯУК Diagram / Illustration
GENCODISCOMBulk ConsumerPower Trader
тЬЕ

C is correct тАФ GENCOs are independent power producers that sell their generation to any entity, such as distribution companies or large consumers, with whom they have established a legal contractual agreement.

Core Concepts Used
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Power System Deregulation Power Purchase Agreement (PPA) Electricity Market Unbundling
ЁЯТб EXAM TIP

Always remember that in a deregulated market, 'Transmission Companies' (TRANSCOs) generally provide service as common carriers and do not purchase power; they only manage the infrastructure.

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