In the first half of 2007, the power industry in Shandongprovince continued to maintain a rapid growth momentum.The gross electricity consumption amounted to 121.25 TWh,14.4% higher over that in the same period of las...In the first half of 2007, the power industry in Shandongprovince continued to maintain a rapid growth momentum.The gross electricity consumption amounted to 121.25 TWh,14.4% higher over that in the same period of last year. The totalinstalled capacity reached 53.29 GW. It was expected that bythe end of 2007, the gross electricity consumption in Shan-dong would reach 260 TWh, increasing by 14.4% on ayear-on-year basis; the maximum load would reach 40.展开更多
The future energy policy,long-term energy supply plan,and necessity of power system interconnection are discussed considering the climate change agreement and national carbon neutrality policy.Although several studies...The future energy policy,long-term energy supply plan,and necessity of power system interconnection are discussed considering the climate change agreement and national carbon neutrality policy.Although several studies have been conducted on power system interconnection related projects,a few reviews have been performed related to the Greenhouse Gas Convention in North-East Asian(NEA)regions.Therefore,the future directions and possible scenarios on power system interconnection are studied by combining the issues by comprehensively considering carbon neutrality policy according to the perspective of Korea.展开更多
Northeast Asia is one of world’s major economic and energy consumption centers.Countries in this region are undergoing rapid economic and social development,and energy security and greenhouse gas emission reduction h...Northeast Asia is one of world’s major economic and energy consumption centers.Countries in this region are undergoing rapid economic and social development,and energy security and greenhouse gas emission reduction have become prominent issues.In this region,clean energy resources including hydro,wind,and solar are concentrated in Russia,Mongolia,and Northeast China,whilst electricity load centers are in East China,Korea and Japan.Currently,an energy and electricity model has been developed to project electricity demand through 2030 for each country.Based on the idea of a Global Energy Interconnection,this article proposes to establish a Northeast Asia Grid Interconnection(NEAG),connecting Mongolia,China,Korea,Japan,and Russia with large volumes of transmission lines,in an effort to facilitate optimized resource allocation.The NEAG would be accomplished step by step along with identification of key interconnectors.China is set to play an important role in establishing the NEAG by providing a strong sending grid and necessary technological equipment.Tremendous economic,environmental,and social benefits are expected to be generated by the NEAG.展开更多
The growth of renewable energy has accelerated globally toward a low-carbon economy since the Paris Agreement entered into force in 2016.As a result of the increase of variable renewable energy(VRE),namely solar PV an...The growth of renewable energy has accelerated globally toward a low-carbon economy since the Paris Agreement entered into force in 2016.As a result of the increase of variable renewable energy(VRE),namely solar PV and wind,power systems require more flexibility from conventional power plants with less power generation to regulate increased variability.There are sources of flexibility other than conventional power plants,including enhanced power networks,storage capacity and demand response.To maximize economic utilization of VRE power generation,it is necessary to use the flexibility potential from all these sources.In Japan,the share of VRE has increased since the introduction of a feed-in tariff(FIT)and,in parallel,power market reform is underway.Japan has a unique power system of nine grids connected like a fish bone,making the uptake of an increasing share of VRE challenging.This paper assesses the value of flexibility by source in Japan’s power system in 2030.An analysis of different VRE scenarios is undertaken based on a newly developed production cost model.The result of the simulation shows the quantitative impact of each source of flexibility to the generation cost and VRE curtailment and demonstrates the mechanism by which flexibility works to impact VRE curtailment.展开更多
文摘In the first half of 2007, the power industry in Shandongprovince continued to maintain a rapid growth momentum.The gross electricity consumption amounted to 121.25 TWh,14.4% higher over that in the same period of last year. The totalinstalled capacity reached 53.29 GW. It was expected that bythe end of 2007, the gross electricity consumption in Shan-dong would reach 260 TWh, increasing by 14.4% on ayear-on-year basis; the maximum load would reach 40.
文摘The future energy policy,long-term energy supply plan,and necessity of power system interconnection are discussed considering the climate change agreement and national carbon neutrality policy.Although several studies have been conducted on power system interconnection related projects,a few reviews have been performed related to the Greenhouse Gas Convention in North-East Asian(NEA)regions.Therefore,the future directions and possible scenarios on power system interconnection are studied by combining the issues by comprehensively considering carbon neutrality policy according to the perspective of Korea.
基金supported by scientific research program titled Feasibility Study on Northeast Asia Grid Interconnection,funded by State Grid Corporation of China.
文摘Northeast Asia is one of world’s major economic and energy consumption centers.Countries in this region are undergoing rapid economic and social development,and energy security and greenhouse gas emission reduction have become prominent issues.In this region,clean energy resources including hydro,wind,and solar are concentrated in Russia,Mongolia,and Northeast China,whilst electricity load centers are in East China,Korea and Japan.Currently,an energy and electricity model has been developed to project electricity demand through 2030 for each country.Based on the idea of a Global Energy Interconnection,this article proposes to establish a Northeast Asia Grid Interconnection(NEAG),connecting Mongolia,China,Korea,Japan,and Russia with large volumes of transmission lines,in an effort to facilitate optimized resource allocation.The NEAG would be accomplished step by step along with identification of key interconnectors.China is set to play an important role in establishing the NEAG by providing a strong sending grid and necessary technological equipment.Tremendous economic,environmental,and social benefits are expected to be generated by the NEAG.
文摘The growth of renewable energy has accelerated globally toward a low-carbon economy since the Paris Agreement entered into force in 2016.As a result of the increase of variable renewable energy(VRE),namely solar PV and wind,power systems require more flexibility from conventional power plants with less power generation to regulate increased variability.There are sources of flexibility other than conventional power plants,including enhanced power networks,storage capacity and demand response.To maximize economic utilization of VRE power generation,it is necessary to use the flexibility potential from all these sources.In Japan,the share of VRE has increased since the introduction of a feed-in tariff(FIT)and,in parallel,power market reform is underway.Japan has a unique power system of nine grids connected like a fish bone,making the uptake of an increasing share of VRE challenging.This paper assesses the value of flexibility by source in Japan’s power system in 2030.An analysis of different VRE scenarios is undertaken based on a newly developed production cost model.The result of the simulation shows the quantitative impact of each source of flexibility to the generation cost and VRE curtailment and demonstrates the mechanism by which flexibility works to impact VRE curtailment.
