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Chapter 1 of 12 • Page 1 of 248🔒 Protected PDF • Watermarked
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ElectricalPower Generation
PrevNext

Power Exchange handles______________, which provides a forum to match electrical energy supply and demand based on bid price

A

Exchange of power

B

Generation of power

C

Transmission of power

D

Electrical power pool

Correct Answer

Concept & PrincipleElectricalPower Generation
Option D

Electrical power pool

Quick Summary: A Power Exchange (PX) serves as a centralized electronic platform or 'Electrical power pool' where buyers and sellers of electricity place their bids. It operates on the principle of double-sided auction to discover the market-clearing price and match supply with demand efficiently.

💡 Explanation

A Power Exchange (PX) serves as a centralized electronic platform or 'Electrical power pool' where buyers and sellers of electricity place their bids. It operates on the principle of double-sided auction to discover the market-clearing price and match supply with demand efficiently.

🔢 Key Formulas

MCP=f(Supplybids,Demandbids)MCP = f(Supply_{bids}, Demand_{bids})MCP=f(Supplybids​,Demandbids​) — The Market Clearing Price is a function of matched supply and demand bids.

⚙️ Working Principle

The PX functions as an impartial intermediary that aggregates bids from various generating companies and distribution utilities. By using an algorithm that accounts for congestion and constraints, it determines the Market Clearing Price (MCP) where the supply curve and demand curve intersect. This process ensures transparency and economic dispatch across the electrical grid.

📌 Key Points
  • ▸

    Power exchanges promote competition in the wholesale electricity market.

  • ▸

    They facilitate short-term trading (Day-Ahead Market, Term-Ahead Market).

  • ▸

    PXs reduce the cost of electricity procurement through price discovery.

  • ▸

    The regulatory body in India for these exchanges is the Central Electricity Regulatory Commission (CERC).

✅ Advantages
  • ▸

    Transparent price discovery mechanism

  • ▸

    Provides flexibility for market participants to balance demand-supply

  • ▸

    Enhances liquidity in the power market

❌ Disadvantages / Limitations
  • ▸

    Price volatility based on seasonal demand

  • ▸

    Dependency on transmission corridor availability (congestion issues)

🛠️ Applications / Uses
  • ▸

    Short-term power procurement for distribution companies

  • ▸

    Portfolio optimization for power producers

  • ▸

    Integrating renewable energy sources into the grid

📄 Additional Information
  • ▸

    Examples of power exchanges in India include IEX (Indian Energy Exchange) and PXIL (Power Exchange India Limited).

  • ▸

    Option A is incorrect because 'Exchange of power' is a generic activity, not the entity itself. Options B and C describe physical activities in the supply chain.

📊 Diagram / Illustration
Power Exchange MechanismSellers (Gencos)Buyers (Discoms)Power Exchange
✅

D is correct — The Power Exchange acts as a digital clearing house or 'Electrical power pool' where supply and demand are balanced via a bidding process.

Core Concepts Used
Click any tag to open in AI Tutor
Market Clearing Price (MCP) Bilateral Trade Power System Deregulation Merit Order Dispatch
💡 EXAM TIP

Always distinguish between 'Power Pools' (which are institutional forums for dispatch) and 'Power Exchanges' (which are commercial platforms for trading), though they both facilitate matching supply and demand.

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