Accelerate the growth of natural gas power generation Towards zero carbon

To less than 50%; The installed capacity of gas and electricity is 98.02 million kilowatts.

An increase of 8.6% year-on-year, accounting for 4.45% of the total installed capacity

Natural gas power generation is an important support for new power systems

Under the goal of "dual carbon", as an important support for the future new power system, the position of natural gas power generation will become more and more important.

As a power source with excellent peak and frequency regulation performance, natural gas power generation is the best supplement to renewable energy power generation, and it is the Ministry of Power

A feasible technological route for low-carbon transformation.

High reliable capacity factor: Natural gas power generation is flexible and adjustable

Degree, can quickly and reliably online, adjust the output level, root

Balance supply and demand as needed. They can depend on the power supply

In the course of a day, a week or a month, and in the seasons

Knots (whenever needed) change to provide more or

Less power. When deploying more undispatchable wind power

And when it comes to solar power, this flexibility is great for keeping the grid stable

Qualitative is particularly important. No matter what time of day or weather

Conditions, as long as it takes, gas plants can operate and

Provide reliable power on demand. And wind and sun

The availability of energy is not always consistent with the demand. Such as wind

The farm installed capacity is 100MW, but the grid is due to wind when needed

The weak force can only produce 20MW, so the reliable capacity coefficient is only

It's 20%. GE produced Table 1 based on global averages

The "reliable capacity factor" is shown.

Low-carbon and clean: The main component of natural gas is methane, which also contains

A hydrocarbon with the least carbon and the most hydrogen. For the same amount of power,

Gas power generation produces more than 60% less CO2 than coal power.

HA class gas turbine combined cycle using natural gas as fuel

For example, although the same fossil energy, but

The CO2 emission value per kilowatt hour is only 320g. In addition, day

Natural gas power generation is also more efficient than coal power in energy utilization

More than 30%. The most advanced 9HA.02 combined cycle power generation

Efficiency 64%, equivalent to 192 grams of coal consumption per KWH of electricity. Gas turbine consortium

The carbon intensity of the combined cycle is more than 60% less than that of the equivalent coal power.

In addition, NOx is generated by gas turbine power plants and coal-fired power plants

The reason is different. NOx generated in the combustion process has

Three types, namely thermal, fuel and fast.

9HA gas turbine combustion temperature above 1500℃, NOx

The formation is basically a thermal type. And in a coal-fired boiler

In addition, from the point of view of kilowatt-hour cost, the more efficient the equipment,

The less fuel consumed to produce the same amount of electricity, the cost of the kilowatt-hour

The lower it is. At the price of natural gas 2.4 yuan/cubic meter, standard coal

Price 800 yuan/ton for example, considering the investment and operation and maintenance costs,

The corresponding KWH cost (including fuel and operation and maintenance and investment)

Costs) are shown in Table 4.

Of course, under the "double carbon" goal, the cost of electricity should be tested in addition

In addition to fuel costs, investment in operating and maintenance costs, but also

Take into account the cost of pollution and the cost of carbon emissions.

Also, if you need something else in addition to your own power generation

Power supply or network coordination, peak adjustment cost (coordination contribution cost)

It should also be calculated in the cost of kilowatt-hour electricity, otherwise, it should be deducted.

In the power auxiliary service market, peak load auxiliary service costs

Generally, thermal power plants that have not carried out deep peaking transformation and

Wind power, photovoltaic such as unstable renewable energy generation

Factory share the responsibility. Among the different power generation technologies, HA class

The gas turbine has more downward (low load rate) and upward

(peak load) space, and faster load adjustment rate,

There is a chance to enjoy more subsidies for peak balancing. With new energy

The increase of specific gravity and the limit control of coal power capacity compensate new energy

The peak adjustment cost of the source will be more expensive.

The combined social cost of carbon emissions in the United States is about $51 per ton,

The price of carbon emission allowances in the EU carbon market is currently

Up to 56 euros/ton VIII, assuming 300 yuan/ton

As an estimate of the future domestic carbon trading price, according to the present

The carbon emission intensity of coal power and gas power is different

The carbon emission cost estimates are shown in Table 5.

There is no doubt that the emission of pollutants has been greatly reduced, and the energy efficiency has been greatly improved

Rising, very low carbon emissions costs will make natural gas

Combined cycle power plants have significant advantages and are in the new power system