762

connected load of the facility) times the usage and cost of 1 kW as presented in each table entry. In all cases, it is assumed that the facility has only one billing meter that measures consumption and demand of all connected loads.

The annual and weighted average costs per kWh for the ten sample load profiles under each of the example utility rates are summarized in Figures 22-10 and 22-11. Note that because of the extremely low load factor for Profile 1, TOU and CONV average costs shown in Figure 22-11 are off the scale (>$20/kWh).

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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