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SUMMARY Under the anticipated high penetration of variable renewable energy generation such as photovoltaics and higher share of nuclear generation, the issue of supply-demand balancing capability should be evaluated and fixed in a future power system. Improvement of existing balancing measures and new technologies such as demand activation and energy storage are expected to solve the issue. In this situation, a long-range power system supply-demand analysis should have the capability to evaluate the balancing capability and balancing countermeasures. This paper presents a new analysis methodology of activated demand model and evaluation of supply-demand balancing capability for a long-range power system demand-supply analysis model, ESPRIT. Model analysis was made to verify the new methodology of the tool including day-ahead scheduling of a heat pump water heater, an EV/ PHEV, and a battery. © 2013 Wiley Periodicals, Inc. Electr Eng Jpn, 186(2): 21-30, 2014; Published online in Wiley Online Library (wileyonlinelibrary.com). DOI 10.1002/eej.22488 [ABSTRACT FROM AUTHOR]

As has been the case in the UK for the past ten years, other European utilities are now having to operate in an increasingly liberalised electricity market. Faced with growing competition, utilities are optimising their assets by mergers and acquisitions and by decreasing their O&M costs. To this end, Electrabel, the major Belgian utility, has implemented a new business model that should help to realise its strategy to remain the major utility in Belgium and to play an important role in Europe. This paper describes how the business model is based upon the unbundling of its activities and upon customer-supplier relationships as a stimulant for efficiency and customer orientation. [ABSTRACT FROM AUTHOR]