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Chapter 21 - The Projected Influence of Extended Unit Service

M.E. Lapides

Year: 1991
Volume: Volume 12
Number: Special Issue
DOI: 10.5547/ISSN0195-6574-EJ-Vol12-NoSI-21
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Abstract:
If the operational life of a nuclear power plant can be extended, decommissioning will be delayed. In effect, this is an alternative to decommissioning. Is this a sensible or desirable option? In this chapter, M.E. Lapides evaluates the cost, environmental consequences, and funding impacts of delaying for 20 to 30 years. One of his conclusions is that the impacts of decommissioning on any of these three categories will be insignificant to the decommissioning decision. A contrasting view was offered in Chapter 20.



Integrating Thermal and Hydro Electricity Markets: Economic and Environmental Costs of not Harmonizing Pricing Rules

Etienne Billette de Villemeur and Pierre-Olivier Pineau

Year: 2016
Volume: Volume 37
Number: Number 1
DOI: 10.5547/01956574.37.1.edev
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Abstract:
The electricity sector is the largest source of greenhouse gases (GHG) emissions in the world, and reducing these emissions can often be costly. However, because electricity markets remain integrated at a shallow level (with different pricing regulations), many gains from deeper integration (adoption of marginal cost pricing everywhere) are yet to be realized. This paper assesses the benefits of deep integration between a "hydro" jurisdiction and a "thermal" one. It also underscores the inefficiency of trade when pricing rules differ. Our detailed hourly model, calibrated with real data from the provinces of Ontario and Quebec, Canada, estimates price, consumption, emissions and welfare changes associated with fully integrating electricity markets, under transmission constraints. A negative abatement cost of $37/tonne of CO2 was found (for more than 1 million tonnes), clearly illustrating the untapped potential of wealth creation in carbon reduction initiatives. Furthermore, given the inefficiency of shallow integration between markets, we found that removing interconnections between markets offers a relatively affordable CO2-reduction opportunity, at $21.5/tonne.





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