Senegal’s domestic gas reserves will be primarily used to supply electrical energy. Authorities count on that home fuel infrastructure projects will come on-line between 2025 and 2026, provided there is no delay. The monetization of these vital power sources is at the basis of the government’s new gas-to-power ambitions.
In this context, the global expertise group Wärtsilä carried out in-depth research that analyse the financial influence of the various gas-to-power methods obtainable to Senegal. Two very different technologies are competing to fulfill the country’s gas-to-power ambitions: Combined-cycle fuel turbines (CCGT) and Gas engines (ICE).
These studies have revealed very significant system cost variations between the two main gas-to-power technologies the nation is at present contemplating. Contrary to prevailing beliefs, gasoline engines are actually a lot better suited than combined cycle fuel generators to harness power from Senegal’s new gasoline assets cost-effectively, the study reveals. Total value differences between the 2 applied sciences might reach as a lot as 480 million USD until 2035 relying on scenarios.
Two competing and really different technologies
The state-of-the-art power mix models developed by Wärtsilä, which builds customised vitality situations to establish the price optimal way to deliver new technology capability for a specific country, exhibits that ICE and CCGT technologies current important cost differences for the gas-to-power newbuild program working to 2035.
Although these two technologies are equally confirmed and dependable, they’re very different in terms of the profiles during which they will function. CCGT is a expertise that has been developed for the interconnected European electricity markets, where it could possibly perform at 90% load factor always. On the other hand, flexible ICE technology can operate effectively in all working profiles, and seamlessly adapt itself to some other generation applied sciences that will make up the country’s energy mix.
In เกจวัดแรงดันลม reveals that when operating in an electricity network of limited measurement such as Senegal’s 1GW national grid, relying on CCGTs to significantly increase the network capability would be extremely costly in all attainable situations.
Cost differences between the technologies are explained by numerous components. First of all, sizzling climates negatively impact the output of fuel turbines greater than it does that of fuel engines.
Secondly, because of Senegal’s anticipated entry to low-cost domestic gas, the operating costs turn out to be much less impactful than the funding costs. In different phrases, as a outcome of low gas prices lower operating prices, it’s financially sound for the country to rely on ICE energy vegetation, which are less expensive to build.
Technology modularity also plays a key function. Senegal is predicted to require an extra 60-80 MW of generation capacity annually to be able to meet the growing demand. This is far decrease than the capability of typical CCGTs vegetation which averages 300-400 MW that have to be built in one go, resulting in pointless expenditure. Engine energy plants, then again, are modular, which implies they can be constructed precisely as and when the nation wants them, and additional extended when required.
The numbers at play are significant. The model exhibits that If Senegal chooses to favour CCGT plants on the expense of ICE-gas, it’ll lead to as a lot as 240 million dollars of extra price for the system by 2035. The value distinction between the applied sciences can even increase to 350 million USD in favor of ICE know-how if Senegal also chooses to build new renewable power capability within the subsequent decade.
Risk-managing potential gasoline infrastructure delays
The growth of fuel infrastructure is a fancy and prolonged endeavour. Program delays are not unusual, inflicting gas supply disruptions that will have a huge financial impression on the operation of CCGT vegetation.
Nigeria is aware of one thing about that. Only last yr, significant gas supply points have triggered shutdowns at a few of the country’s largest gasoline turbine energy vegetation. Because Gas generators operate on a steady combustion process, they require a relentless provide of gasoline and a steady dispatched load to generate constant energy output. If the supply is disrupted, shutdowns occur, placing a great strain on the general system. ICE-Gas crops then again, are designed to regulate their operational profile over time and enhance system flexibility. Because of their versatile working profile, they were able to preserve a a lot greater level of availability
The research took a deep dive to analyse the financial impression of 2 years delay in the gasoline infrastructure program. It demonstrates that if the country decides to take a position into gasoline engines, the price of fuel delay would 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 technology capability will decrease the whole price of electrical energy in Senegal in all attainable eventualities. If Senegal is to satisfy electricity demand progress in a cost-optimal way, no less than 300 MW of recent ICE-Gas capability will be required by 2026.
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