Category Archives: Renewable Energy

GHG Emissions Reporting in the California Independent System Operator (CAISO) Energy Imbalance Market (EIM)

On Monday, the CAISO hosted a call to review the Draft GHG Emission Tracking Report and methodology paper that explains the draft’s preliminary results.  The report shows estimated GHG emissions for dispatch of internal CAISO resources, net imports (including dynamic … Continue reading

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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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AB 2188 Implementation Report: A Review of Ordinances Adopted by Local Jurisdictions in California

This post follows the release of the first statewide assessment of AB 2188 in the form of a AB 2188 Implementation Report.  This assessment provides a snap shot in time of AB 2188 implementation across the state of California based … Continue reading

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The Role and Prices of RECs and Offsets in Climate and Energy Plans

Many thanks to Cameron Berhardt for his research assistance for this post. Although renewable energy credits (RECs) are primarily relevant for entities that must comply with the California Renewable Portfolio Standard (RPS), all types of RECs, whether bundled, unbundled or … Continue reading

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Water Reliability and Renewable Energy Overgeneration

The issue of renewable energy integration and overgeneration is square and center in California. The California System Operator (CAISO) along with other state regulators have studied or commissioned third-party studies to evaluate both the scope of overgeneration and means to … 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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Renewable Energy Credits and Carbon Offset Credits

(Many thanks to Cameron Bernhardt for research and writing for this post) While EPIC has written about renewable energy credits in California in the past, this constitutes the first of a series of blog posts related to renewable energy credits … Continue reading

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Estimating the GHG Emissions Impacts of Reducing or Displacing Electricity: Is it time for a standard method in California?

California has adopted legislation and has executive orders in place laying out aggressive, long-term greenhouse gas (GHG) reduction targets. There are also specific energy policies including those to increase efficiency, generate more renewable electricity, and to reduce fossil fuel use … Continue reading

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COPs and CAPs: Goals for stabilization of carbon emissions

The COP21 talks and events started on Monday November 30, 2015. Though California is not a nation, and therefore not a member of the UNFCCC, there are 8 California lawmakers accompanying Governor Brown to the Conference. While the US government, … Continue reading

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Splitting the Emissions Baby: Allocating GHG Reductions in the Electricity Sector Part II

In my last post, I discussed the dilemma of how to allocate the avoided greenhouse gas (GHG) emission between policies that policies to increase renewable electricity and reduce electricity consumption. Estimating the effects of increased renewable first will artificially increase … Continue reading

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