เพรสเชอร์เกจวัดแรงดันน้ำ ’s home fuel reserves will be mainly used to produce electricity. Authorities anticipate that domestic gasoline infrastructure projects will come on-line between 2025 and 2026, provided there is not a delay. The monetization of these significant vitality sources is on the basis of the government’s new gas-to-power ambitions.
In this context, the global technology group Wärtsilä performed in-depth studies that analyse the economic influence of the various gas-to-power strategies out there to Senegal. Two very completely different applied sciences are competing to fulfill the country’s gas-to-power ambitions: Combined-cycle gas turbines (CCGT) and Gas engines (ICE).
These research have revealed very vital system cost variations between the two main gas-to-power applied sciences the nation is at present contemplating. Contrary to prevailing beliefs, gasoline engines are in fact much better suited than combined cycle gasoline turbines to harness power from Senegal’s new gas assets cost-effectively, the examine reveals. Total price variations between the two applied sciences could attain as a lot as 480 million USD until 2035 relying on eventualities.
Two competing and really different applied sciences
The state-of-the-art vitality mix models developed by Wärtsilä, which builds customised vitality situations to determine the fee optimum approach to ship new era capability for a particular nation, exhibits that ICE and CCGT technologies present vital price differences for the gas-to-power newbuild program running to 2035.
Although these two technologies are equally confirmed and dependable, they’re very completely different by means of the profiles during which they will function. CCGT is a expertise that has been developed for the interconnected European electrical energy markets, where it could possibly operate at 90% load issue always. On the opposite hand, flexible ICE technology can function efficiently in all working profiles, and seamlessly adapt itself to some other technology technologies that may make up the country’s energy combine.
In specific our examine reveals that when operating in an electrical energy community of restricted measurement similar to Senegal’s 1GW national grid, relying on CCGTs to significantly broaden the community capacity would be extraordinarily pricey in all attainable eventualities.
Cost differences between the applied sciences are explained by a variety of elements. First of all, scorching climates negatively impact the output of gas turbines greater than it does that of fuel engines.
Secondly, thanks to Senegal’s anticipated entry to low cost domestic gasoline, the operating costs become less impactful than the funding costs. In different phrases, because low fuel prices lower working costs, it’s financially sound for the nation to depend on ICE energy vegetation, which are inexpensive to construct.
Technology modularity additionally plays a key function. Senegal is expected to require an extra 60-80 MW of era capacity annually to have the ability to meet the increasing demand. This is way decrease than the capacity of typical CCGTs plants which averages 300-400 MW that have to be inbuilt one go, resulting in unnecessary expenditure. Engine power vegetation, however, are modular, which suggests they can be constructed exactly as and when the country needs them, and further extended when required.
The numbers at play are vital. The model exhibits that If Senegal chooses to favour CCGT vegetation at the expense of ICE-gas, it will result in as a lot as 240 million dollars of extra cost for the system by 2035. The value distinction between the applied sciences may even improve to 350 million USD in favor of ICE expertise if Senegal additionally chooses to build new renewable energy capacity inside the next decade.
Risk-managing potential gasoline infrastructure delays
The improvement of gas infrastructure is a fancy and lengthy endeavour. Program delays are not unusual, causing fuel supply disruptions that may have an enormous financial impression on the operation of CCGT plants.
Nigeria is conscious of something about that. Only final yr, significant gasoline provide issues have brought on shutdowns at a variety of the country’s largest gas turbine energy crops. Because Gas generators function on a continuous combustion course of, they require a continuing supply of gasoline and a secure dispatched load to generate consistent energy output. If the availability is disrupted, shutdowns occur, putting a fantastic strain on the overall system. ICE-Gas vegetation on the opposite hand, are designed to regulate their operational profile over time and improve system flexibility. Because of their flexible working profile, they had been able to preserve a much greater stage of availability
The research took a deep dive to analyse the monetary impact of two years delay within the fuel infrastructure program. It demonstrates that if the nation decides to speculate into fuel engines, the price of gas delay can be 550 million dollars, whereas a system dominated by CCGTs would lead to a staggering 770 million dollars in extra price.
Whichever means you have a glance at it, new ICE-Gas generation capability will reduce the entire cost of electrical energy in Senegal in all potential situations. If Senegal is to satisfy electrical energy demand progress in a cost-optimal means, a minimum of 300 MW of recent ICE-Gas capability shall be required by 2026.