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| 1 |
ID:
099331
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| Publication |
2010.
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| Summary/Abstract |
Throughout the history of the electricity industry, regulatory reform has been driven by the pursuit of tools able to create conditions that would favour infrastructure investment and, generally, to surmount the obstacles that hinder system expansion. This article addresses the interaction between regulatory schemes and electric power generation investment, with a review of the changing role of the State in the expansion of electricity supply in Latin America. It contains a critical assessment of changes in the regulatory framework since the outset of electric power market reform, describing the successive approaches to regulation adopted in the last three decades. The aim of this analysis is to help identify the key factors underlying the evolution of energy policies and to contribute to the formulation of a prospective view of the direction this evolution may reasonably be expected to take.
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| 2 |
ID:
104926
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2011.
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| Summary/Abstract |
In a new context of growing need for renewable energy sources (RES), tariff design has become a critical component of energy system regulation. A methodology for allocating the cost of RES subsidies that ensures an optimal balance between compliance with the main regulatory principles of tariff design and each state's specific policy is of cardinal importance in the current context. This paper presents and discusses a novel methodology to allocate the RES subsidy costs, which consists of distributing them among final energy consumers, in proportion to their consumption, regardless of the type of final energy consumed (liquid fuels, gas, electricity or coal).
First, the different designs of RES subsidies are categorized and a review of a good number of the RES burden sharing mechanisms implemented in the EU is presented. Then, the proposed methodology is developed on the basis of the basic regulatory principles underlying the tariff design and the current regulatory context in force in the EU.
Finally, to illustrate its actual impact in a real case example, the proposed methodology is applied to the Spanish system, in which the burden of extra costs incurred for RES amounts to a very large proportion of the overall energy system costs.
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| 3 |
ID:
176665
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| Summary/Abstract |
The Colombian short-term electricity market is characterised by a single settlement and by the clearing of a single national hourly spot price for the entire grid. This price is computed ex post, based on the real-time operation of the system. In the day ahead, there is only an operational dispatch, which does not set any binding economic commitment. A deviation from such dispatch (due, for instance, to an outage), if it is informed in advance, has no economic consequence for market agents. As recognised by Colombian regulatory institutions, this design is not suitable to efficiently integrate large shares of variable renewable resources.
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