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Clean Energy, Beautiful Chinese New Kinetic Energy Apr 27, 2018

In recent years, China’s clean energy continues to expand, and the clean, low-carbon, safe and efficient energy system is accelerating its construction. Since the party’s 18th National Congress, the proportion of coal consumption in China has dropped by 8.1 percentage points, and the proportion of clean energy consumption has increased by 6.3 percentage points. The first meeting of the Central Financial and Economic Committee held recently pointed out that it is necessary to adjust the energy structure, reduce coal consumption, and increase the use of clean energy.

 

Energy consumption to low-carbon development

 

In China's primary energy consumption, fossil energy, especially coal, occupies a dominant position. For a long time, people's use of coal has been largely an extensive process. It is understood that for each commercial coal that burns one ton of standard coal, approximately 2.64 tons of carbon dioxide are generated, yielding approximately 200-300 kg of ash, 12-15 kg of sulfur dioxide, 50-70 kg of dust, and 16-20 kg of nitrogen oxides.

 

The National Development and Reform Commission and the National Energy Administration jointly issued the "Revolution Strategy for Energy Production and Consumption (2016-2030)" in 2017. It is clear that by 2020, the total energy consumption will be controlled within 5 billion tons of standard coal, and the proportion of coal consumption will be further increased. Lowering, clean energy has become the main body of energy increase, and remarkable progress has been made in the adjustment of energy structure. Non-fossil energy accounts for 15% of the total, and the unit GDP of CO2 is down by 18% compared with 2015.

 

Change of energy structure towards diversification

 

Judging from the recently released data, China's energy structure is shifting from being dominated by coal to diversification, and the driving force for energy development is shifting from traditional energy sources to new energy sources.

 

Look at the scale - According to statistics, as of the end of 2017, the country’s total installed capacity of power generation has reached 1.78 billion kilowatts, and the installed capacity of renewable energy power generation has reached approximately 650 million kilowatts. In 2017, the annual PV output of the country exceeded 100 billion kilowatt-hours, and its natural gas output was approximately 150 billion cubic meters, rising from the 18th in the world to the 6th.

 

Looking at the quality of the supply side, clean energy development is moving from a resource-intensive area to a load-intensive area. The pattern of centralized and decentralized development is gradually taking shape. On the consumer side, since the party’s 18th National Congress, the proportion of coal consumption has declined by 8.5 percentage points. The proportion of clean energy consumption has increased significantly. In 2017, the proportion of non-fossil fuel and natural gas consumption reached 13.8% and 7% respectively, accumulatively increasing by 4.1 and 2.2 percentage points; electricity substitution reached more than 100 billion kilowatt hours, and natural gas substitution amount reached 30 billion cubic meters.

 

See efficiency - use efficiency quickly increased. “Using photovoltaics as an example, the conversion efficiencies of conventional monocrystalline and polycrystalline silicon cells in China are 19.8% and 18.6%, respectively. The conversion efficiencies of advanced technology monocrystalline and polycrystalline cells reach 21% and 19.5%, respectively, and the technological level and economy Sex leads the world.” The person in charge of the National Energy Administration introduced.

 

Conquering problems can be significantly eased

 

Abandoning water, abandoning wind, and abandoning light have involved multiple factors and become the "biggest problem" in the development of clean energy. In addition, difficulties are also included: no renewable energy quota system has been established; some provinces prioritize the protection of the province's coal-fired power units to generate electricity, and the enthusiasm for accepting new energy from outside sources is low; market mechanisms are not perfect, and new energy generation is difficult. Make use of the advantages of lower marginal costs.

 

Fortunately, the problem of elimination is obviously being alleviated, and the rate of abandoned and abandoned winds is decreasing. The National Energy Work Conference focused on “addressing the issue of clean energy consumption” as one of the key task tasks in 2018, proposing that the proportion of electricity and electricity that is driven by abandoned water should be reduced year by year, and this problem should be solved nationwide by 2020. . "We adhere to the combination of government guidance and market leadership, integration of national overall planning and local use, standardization of power supply and optimized access, and integration of technological innovation and system reform." The National Energy Work Conference proposed that by the end of the "Thirteenth Five-Year Plan", the To complete the cancellation and postponement of coal-fired power construction projects of about 150 million kilowatts, eliminate outdated coal-fired power capacity of 20 million kilowatts, and the ratio of coal-fired power installations to about 55%.