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[en] Grid infrastructure managers worldwide are facing demands for reinvestments in new assets with higher on-grid and off-grid functionality in order to meet new environmental targets. The roles of the current actors will change as the vertical interfaces between regulated and unregulated tasks become blurred. In this paper, we characterize some of the effects of new asset investments policy on the network tasks, assets and costs and contrast this with the assumptions of the current economic network regulation. To provide structure, we present a model of investment provision under regulation between a distribution system operator and a potential investor–generator. The results from the model confirm the hypothesis that network regulation should find a focal point, should integrate externalities in the performance assessment and should avoid wide delegation of contracting-billing for smart-grid investments. - Highlights: ► We review regulatory solutions for smart-grid and DER investments. ► What matters more than upfront incentives is organization and delegation. ► We model regulated investment under private information by a generator or a DSO. ► Highest welfare for high-powered incentives and centralized information. ► Market approaches likely to give poor outcomes for this case.
[en] AEA Technology is the trading name of the United Kingdom Atomic Energy Authority. The principal activity is the provision of high quality scientific and engineering services, consultancy and specialist products across a broad range. During 1992-93, AEA achieved a profit of Pound 23.9M, representing a return of 12.2%. The detailed annual accounts are presented. (UK)
[en] The Northwest Territories Power Corporation is a crown corporation of the government of the Northwest Territories. The Corporation operates diesel and hydroelectric production facilities to provide utility services on a self-sustaining basis in the Northwest Territories. Total revenue for 1991/92 amounted to $92,872,000 with $84,954,000 coming from the sale of power. Financial statements are presented. 3 figs
[en] The well-known problem of finding explicit formulas for the expected return and risk of portfolios with general commission is completely solved. It is assumed that the commission depends on the asset and the asset position, and on whether the given position is opened or closed. For portfolios with only the budget constraint and initial commission, we prove that the function of expected portfolio return and portfolio variance function are bounded.