Natural Gas

Fig. 3-14 Specific CO2 emissions from different applied power plant technologies as a function of net station efficiency. Source: Siemens Power Corp.

plant and the ability to employ cogeneration cycles often swings life-cycle costs in the favor of on-site prime mover applications. Although centralized systems can employ combined-cycles and other advanced cycles for electric power production, the FCP thermal efficiency comparison always favors cogeneration.

When a facility can use recovered heat for thermal processes, the cogeneration cycle efficiency benefits may shift the life-cycle cost advantage away from the purchased electricity option. When cogeneration cycles can be used for on-site mechanical drive service, the additional benefits of load tracking and avoided electric motor efficiency losses may further improve life-cycle costs relative to purchased electricity options.


Renewable Energy 101

Renewable Energy 101

Renewable energy is energy that is generated from sunlight, rain, tides, geothermal heat and wind. These sources are naturally and constantly replenished, which is why they are deemed as renewable. The usage of renewable energy sources is very important when considering the sustainability of the existing energy usage of the world. While there is currently an abundance of non-renewable energy sources, such as nuclear fuels, these energy sources are depleting. In addition to being a non-renewable supply, the non-renewable energy sources release emissions into the air, which has an adverse effect on the environment.

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