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Biogas Racks up Cellulosic RINs

November 26, 2014 in Transportation & Fuels Author: Amanda Bilek
When the U.S. Environmental Protection Agency (EPA) published a final rule in July expanding cellulosic fuel pathways to include renewable compressed natural gas (CNG) and liquefied natural gas (LNG) derived from various sources of biogas, a surge of cellulosic fuel credits from biogas was widely anticipated. After two months of reporting, the speculation was correct. August and September saw record volumes of cellulosic Renewable Information Numbers (RINs). These high volumes were not generated from liquid fuels like ethanol or renewable gasoline, but from renewable CNG and LNG. 

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New Fact Sheet Series on Demand Response

November 18, 2014 in Electricity Author: Dane McFarlane

We are pleased to announce the release of a new fact sheet series focused on demand response. As we’ve written about in previous posts, technologies enabling demand response (DR) are an important component of a clean energy system, and we currently have an underutilized DR asset in the Midwest. DR involves reducing or shifting customer energy usage when the system is stressed. This could be during periods of high energy demand with not enough supply like on a hot summer day, or periods of low demand with too much supply, like during a night when the wind is blowing strongly. Continue reading »

Positive Developments in the Search for the Holy Grail of Renewable Energy

November 17, 2014 in Electricity Author: Steve Dahlke

Industry and ProjectsKing Arthur and his loyal knights embark on an arduous, difficult quest to find the Holy Grail. Many perish along the way. After a multitude of trials and tribulations, they find the Grail is hidden in the Castle of “Aaargh!” That is at least how the story goes in the popular 1970’s British satire Monty Python and the Holy Grail (see here for the “Aaargh!” scene). Continue reading »

Environmental Sector Comments on MISO’s Proposed AGC Market Enhancements for Fast-Ramping Resources

November 12, 2014 in Reports & Whitepapers

The MISO Environmental Sector supports MISO’s proposed market enhancement to create a separate category for fast-ramping resources to be dispatched prior to slow-ramping resources. This is consistent with the intentions of FERC Order 755 and will improve the overall performance of regulation resources in MISO. MISO’s AGC enhancement proposal should be prioritized as a near-term market enhancement. To date compliance with Order 755 compliance has not resulted in a significant shift to increased use of fast-ramping resources in the MISO markets. As part of this effort we should also evaluate other barriers to entry for fast-ramping resources in the MISO markets. Continue reading »

Patching Up the Seams: Reducing Regional Obstacles in Electricity

November 5, 2014 in Electricity Author: Steve Dahlke

Power LinesChanges in federal law at the Federal Energy Regulatory Commission (FERC) in the last decade have spurred evolution of the electricity sector away from local power systems and towards increasingly efficient regional interconnections. Expanding the market in this way has been beneficial – it allows the industry to take advantage of economies of scale while adapting to emerging technologies and environmental policies. Continue reading »

Germany’s Energiewende Requires New Electric Infrastructure

October 10, 2014 in Electricity Author: Steve Dahlke

Industry and ProjectsEnergiewende. This German word has been getting lots of attention in recent years. It translates to “Energy Transition,” and represents the country’s commitment to dramatically ramping up renewable energy and energy efficiency while phasing out nuclear power over the next few decades. The target is 80% electricity production from renewables by 2050. Being the world’s fourth largest economy, the rest of the world has taken notice – other nations are watching the German experiment closely as they also contemplate how to decarbonize their energy sectors. Continue reading »

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