Search results for: “gas turbine”
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Gas turbines: operating parameters?
A typical simple-cycle gas turbine is sized at 200MW, and achieves 38% efficiency, as super-heated gases at 1,250ºC temperature and 100-bar pressure expand and drive a turbine. Efficiency rises to 58% in a combined cycle. The purpose of this data-file is to tabulate typical operating parameters of gas turbines.
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Shanghai Electric: gas turbine technology competition?
Shanghai Electric gas turbine technology is contrasted against the Western gas turbine leaders in this data-file, based on reviewing 20 patents from 2021-24. Shanghai Electric is clearly trying to compete in this space, and the patent review uncovered interesting details into turbine temperatures, efficiencies, reliability, AI+sensing and manufacturing costs.
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Gas power: levelized costs of combined cycle gas turbines?
Levelized costs of combined cycle gas turbines are built up in this data-file. Our base case costs of gas-fired power generation are 8c/kWh, at a combined cycle turbine converting 55% of the thermal energy of natural gas into electrical energy, for a total CO2 intensity of 0.35 kg/kWh.
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Global gas turbines by region and over time?
Global gas turbine additions averaged 50 GW pa over the decade from 2015-2024, of which the US was 20%, Europe was 10%, Asia was 50%, LatAm was 10% and Africa was 10%. Yet global gas turbine additions could double to 100 GW pa in 2025-30. This data-file estimates global gas turbine capacity by region and…
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Renewables+gas LCOEs versus standalone gas turbines?
Levelized costs of electricity depend as much on the system being electrified as the energy sources used to electrify it. This data-file captures solar+gas LCOEs (in c/kWh), when meeting different load profiles, as a function of solar capex (in $/kW), gas prices (in $/mcf), and the relative utilization of solar vs gas.
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Windy physics: how is power of a wind turbine calculated?
This data-file is an overview of wind power physics. Specifically, how is the power of a wind turbine calculated, in MW, as a function of wind speed, blade length, blade number, rotational speed (in RPM) and other efficiency factors (lambda). A large, modern offshore wind turbine will have 100m blades and surpass 10MW power outputs.
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Gas turbines and CHP: technology leaders?
This data-file profiles 30 leading companies in gas turbines and CHPs, from mega-caps such as GE, Siemens and Mitsubishi, down to small-caps and private companies with exciting new technologies. Case studies are also presented, with details on turbine installations.
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Howmet: turbine blade breakthroughs?
Howmet is an engineered metals company, and the world’s #1 supplier of blades and vanes for jet engines and gas turbines. It has claimed an edge in direct-casting cooling channels (rather than drilling them) and bond coats that improve the adherence of Thermal Barrier Coatings. Our Howmet gas turbine technology review found support for these…
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Coal-to-gas switching: what CO2 abatement cost?
Coal-to-gas switching halves the CO2 emissions per unit of primary energy. This data-file estimates the CO2 abatement costs. Gas is often more expensive than coal. But as a rule of thumb, a $30-60/ton CO2 price makes $6-8/mcf gas competitive with $60-80/ton coal. CO2 abatement costs are materially lower in the US and after reflecting efficiency.…
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Offshore wind: installation vessels and time per turbine?
Wind turbine installation vessels are estimated to cost $100-500/kW in the breakdown of a typical offshore wind project’s capex. Total offshore construction time is around 10 days per turbine. Wind turbine installation vessel use averages around 5 days per turbine. Data from past projects are tabulated in this data-file.
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