Tag Archives: SDG&E

Does Your Rooftop Solar System Reduce Your Carbon Footprint? It Depends…

At first glance this is a pretty straight forward issue. If you put solar modules on your home or business, you are generating clean, emissions-free electricity. Right? Well, it depends…in part on how you paid for your system. If you … Continue reading

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Role of Renewable Energy Credits and Carbon Offsets

(Many thanks to Cameron Bernhardt for his research for this post) This second post continues the discussion of the role of Renewable Energy Credits (RECs) and Carbon Offset Credits in California policies started in the last post. In the next … Continue reading

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Half-Empty Planes: Utilization Rates for California’s Electric Grid Part II

In Part I of this post, we discussed the concept of asset utilization — or load factor — and looked at recent trends for California’s investor-owned utilities (IOU). The trend over the past two decades for IOU load factors has been … Continue reading

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Half-Empty Planes: Utilization Rates for California’s Electric Grid Part I

The electric grid is designed to handle the highest demand expected in a given period, commonly referred to as peak demand. Depending on many factors, the time needed for peak demand and period of high demand approaching peak can be … Continue reading

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Load Factor

Load factor is the ratio of average demand to peak demand, typically measured in megawatts (MW) on a system wide level. It is a useful metric to show how much of the entire electric delivery system capacity is being used … Continue reading

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