Senegal faces key expertise choices in its search for the optimal gas-to-power strategy

Senegal’s home gasoline reserves might be mainly used to supply electrical energy. Authorities anticipate that home gasoline infrastructure tasks will come on-line between 2025 and 2026, offered there is not any delay. The monetization of these important power sources is at the foundation of the government’s new gas-to-power ambitions.
In this context, the global expertise group Wärtsilä conducted in-depth studies that analyse the economic influence of the varied gas-to-power methods available to Senegal. Two very different applied sciences are competing to satisfy the country’s gas-to-power ambitions: Combined-cycle gasoline turbines (CCGT) and Gas engines (ICE).
These studies have revealed very important system price differences between the 2 major gas-to-power applied sciences the nation is presently contemplating. Contrary to prevailing beliefs, fuel engines are actually a lot better suited than mixed cycle gasoline generators to harness power from Senegal’s new gasoline resources cost-effectively, the examine reveals. Total value variations between the two technologies might attain as much as 480 million USD until 2035 relying on eventualities.
Two competing and very totally different applied sciences

The state-of-the-art power combine models developed by Wärtsilä, which builds customised power situations to establish the fee optimum method to deliver new technology capacity for a particular country, reveals that ICE and CCGT applied sciences present vital price variations for the gas-to-power newbuild program working to 2035.
Although these two applied sciences are equally confirmed and reliable, they’re very totally different when it comes to the profiles in which they’ll operate. CCGT is a know-how that has been developed for the interconnected European electricity markets, the place it can function at 90% load factor at all times. On the opposite hand, flexible ICE technology can operate effectively in all working profiles, and seamlessly adapt itself to some other era technologies that can make up the country’s energy mix.
In specific our study reveals that when operating in an electricity network of limited measurement similar to Senegal’s 1GW national grid, counting on CCGTs to considerably expand the network capability would be extremely costly in all possible eventualities.
Cost variations between the technologies are defined by numerous components. First of all, scorching climates negatively impact the output of fuel turbines more than it does that of fuel engines.
Secondly, thanks to Senegal’s anticipated entry to cheap domestic gasoline, the operating costs become less impactful than the investment prices. In different phrases, because low gasoline costs decrease working costs, it’s financially sound for the nation to rely on ICE energy plants, that are inexpensive to construct.
Technology modularity also plays a key function. Senegal is predicted to require an additional 60-80 MW of technology capacity annually to have the flexibility to meet the growing demand. This is way lower than the capacity of typical CCGTs vegetation which averages 300-400 MW that should be in-built one go, resulting in unnecessary expenditure. Engine power vegetation, then again, are modular, which means they can be built exactly as and when the country needs them, and additional extended when required.
The numbers at play are important. The mannequin shows 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 price for the system by 2035. The cost distinction between the technologies may even enhance to 350 million USD in favor of ICE know-how if Senegal additionally chooses to build new renewable energy capacity throughout the next decade.
Risk-managing potential fuel infrastructure delays

The improvement of gas infrastructure is a complex and lengthy endeavour. Program delays are not unusual, causing fuel supply disruptions that can have a huge monetary impact on the operation of CCGT vegetation.
Nigeria is aware of something about that. Only last 12 months, significant gasoline supply points have brought on shutdowns at a few of the country’s largest gas turbine energy vegetation. Because Gas turbines function on a continuous combustion course of, they require a relentless provide of fuel and a stable dispatched load to generate constant power output. If the availability is disrupted, shutdowns occur, putting a great strain on the overall system. ICE-Gas crops on the opposite hand, are designed to regulate their operational profile over time and enhance system flexibility. Because of เกจวัดแรงดัน operating profile, they had been able to preserve a much higher level of availability

The examine took a deep dive to analyse the financial impact of two years delay in the gasoline infrastructure program. It demonstrates that if the nation decides to invest into gasoline engines, the cost of gasoline delay can be 550 million dollars, whereas a system dominated by CCGTs would result in a staggering 770 million dollars in extra value.
Whichever way you take a look at it, new ICE-Gas generation capacity will decrease the entire cost of electrical energy in Senegal in all attainable eventualities. If Senegal is to satisfy electricity demand progress in a cost-optimal way, no much less than 300 MW of latest ICE-Gas capability shall be required by 2026.
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