This article contains information about power economic estimation of power complexes creation based on renewable energy located in north regions with decentralized electric supply, where in the main electricity is produced by diesel power plants. Problems of using diesel power plants is measured; investigation of introducing wind-diesel power complexes is shown. Article contains information about power economic estimation, which allows to find out optimized solution to problem of choosing optimized energy and economic parameters of energy complexes.
The article describes the principles of creation, management and economics of power complexes based on renewable energy sources for decentralized power supply. The introduction of energy complexes based on renewable energy sources can compete with the centralized power supply of the regions by increasing energy security and reducing the risks of major accidents and disasters. Long-term contracts for the electricity supply can be a reliable and economical insurance in case of rising fuel prices in the long term.
The article is about the role of renewable energy objects such as pumped storage power plants (PSPP) within energy systems and their status on energy markets in Russian Federation and abroad. Problems and weakness of acting methods of tariff estimation are measured; the necessity of changings in tariff policy is emphasized. Article describes results of approbation of methodology for estimating of tariff bonuses, which are proved by the system impact of PSPP in regimes for maintenance of system reliability. Significant improvement of the investment attractiveness of PSPP from bonuses for system efficiency is shown.
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