A summary of economic issues on transmission open access

Abstract

Transmission open access (TOA) provides a fair environment for generation competition. At the same time. it also changes the traditional concept that transmission systcm is only seen as the technical tool to transfer power. How to deal with the new problems accompanying TOA now is becoming a hot spot of research. This paper introduces the achieved products.exlsting problems and research trend of the recent work on four unresolved economic issues. i. e.. methodologies used in evaluating the cost of wheeling. handling of unreasonable charge caused by parallel path. pricing ancillary services and congestion management.

輸電系統的開放為發電市場提供了一個公平的競爭環境，同時打破了把輸電網僅僅作為電力傳輸的技術工具的傳統觀念。如何處理伴隨輸電系統開放而帶來的新問題已成為目前研究的熱點之一。文中就轉運定價、并行線路引起收費不合理問題的處理、輔助服務定價以及擁擠管理等4個主要經濟問題的研究現狀進行了總結，分析了尚存在的問題并指出其發展趨勢。