Category Archives: SDG&E

California Utilities’ Green Power Plans

California Utilities’ Green Power Plans California utilities are now also filing their Green Power plans with their Power Content Labels.  We examine those of the major utilities in our previous post summarizing their normal power sources. Southern California Edison: Green … Continue reading

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Comparison of California Utilities Power Sources And Emissions for 2017

We compare the energy sources for the major California utilities with each other, as well as with the overall California sources, and the US overall sources.  For each, we calculate the emissions per kWh.  Undisclosed sources are taken to be … Continue reading

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It’s Not Only What Climate Change Will Do to Our City, It’s to Our Whole Network

It’s Not Only What Climate Change Will Do To Our City, It’s What It Will Do To Our Whole Network We live in a complex interdependent world, where most of the connections are invisible to us.  Our city does not … Continue reading

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Questions About CCAs (Community Choice Aggregators) of Clean Energy

Questions About CCAs California communities are now considering proposals to switch their electrical power to CCAs (Community Choice Aggregators) or CCEs (Community Choice Energy). The motivation is to increase the amount of renewable energy sources. The city council or government … Continue reading

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SDG&E EcoChoice Plans and Costs

SDG&E EcoChoice Plans and Costs We start with the clean energy in the standard plan, which comes from the SDGE 2016 Power Content Label. Clean energy sources are Solar (21%), Wind (21%), Biomass and Bio-waste (1%), for a total of … Continue reading

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Trump Imposes Solar Tariff, May Cut Installations 9%

Trump has imposed a tariff against imports of monocrystalline solar panels of 30%, about half of what the US manufacturers requested.  The US manufacturer Suniva, and German held SolarWorld make polycrystalline solar cells, with about 15% efficiency.  The monocrystalline one … Continue reading

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Electric Car Equivalent GHG Emissions in California Utilities

Electric Car Equivalent GHG Emissions in California Utilities Having determined the CO2 emissions per kWh for the leading California utilities, we can calculate the equivalent gasoline emissions for electric or plug in hybrid cars in the different utility areas. Since … Continue reading

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Summary of Posts Relevant to Climate Action Plans for Southern California

Summary of Posts Relevant to Climate Action Plans for Southern California By Dennis Silverman UCI Physics and Astronomy My Blog is at: sites.uci.edu/energyobserver/  The Long-Term Outlook for Climate Sustainability An optimistic long-term outlook to 2100 to help survive the present … Continue reading

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California Utility and CCA Clean Energy Programs

California Utility and CCA Clean Energy Programs The Major California Electrical Utilities now have clean energy programs for their environmentally conscious consumers to pay for clean energy, and to construct more clean energy sources. Smaller Community Choice Aggregation (CCAs) can … Continue reading

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Comparisons of California Utilities 2016 Power Sources and Emissions

Comparisons of California Utilities’ Power Sources and Emissions We compare the Power Content Labels of leading California utilities for 2016 as to their sources.   We also estimate their mean emissions as pounds of CO2 per kiloWatt hour (kWh) of … Continue reading

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