Energy Systems Consulting Perspectives

Energy Systems Consulting Perspectives

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OnLocation

Recent Posts

The “Duck” Has Landed

Posted by OnLocation on Apr 10, 2017 4:26:51 PM

As part of our ongoing support for the U.S. Energy Information Administration (EIA) and other government agencies, OnLocation has been studying the potential impact of large amounts of solar generation on grid stability as it relates to the National Energy Modeling System (NEMS), as described in a previous blog dated May 25, 2016.  The issues stem from the timing of solar generation during the day, particularly in months when electricity demand is relatively low such as early spring before air conditioning is needed.  The potential impact on the grid from the high daytime solar generation on days with low electricity demand and the corresponding steep reduction in solar in the evening has been dubbed the “duck” issue by the California Independent System Operator (ISO) and has been the subject of speculation in recent years.  The duck phenomenon was evidenced this March  in California when the system average hourly prices dipped below $0 per megawatthour (MWh) in the morning hours, as described in last week’s EIA Today in Energy article.

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Topics: NEMS, Energy Modeling, Renewable Energy, electricity grid

API Study - A World Without Fossil Fuels?

Posted by OnLocation on Apr 5, 2017 3:22:06 PM

What would a world without fossil fuels look like in the next two decades? We at OnLocation Inc. are excited to see our work featured in the recently released study The Impacts of Restricting Fossil Fuel Energy Production. The American Petroleum Institute (API) sponsored this study to spotlight the implications of a future in which no new fossil fuel production development occurs in the U.S.  This scenario was modeled after the so-called Keep It In The Ground (KIG) effort which has evolved from its initial start as a movement to halt oil and gas development on public lands in the U.S. into a climate movement.

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Topics: NEMS, Energy Modeling, Energy Policy, fossil fuels

U.S. Mid-Century Strategy

Posted by OnLocation on Feb 16, 2017 4:21:30 PM

We at OnLocation are excited to see – once again - our work featured as an integral part of the recently published study United States Mid-Century Strategy for Deep Decarbonization published by the Obama Administration.  

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Topics: NEMS, Energy Modeling, Energy Policy, Advanced Technologies

NEMS and the Duck Issue

Posted by OnLocation on May 25, 2016 11:23:20 AM

As part of our ongoing support for EIA and other government agencies, OnLocation has been studying the potential impact of large amounts of solar generation on grid stability as it relates to the National Energy Modeling System (NEMS).  The issues stem from the timing of solar generation during the day, particularly in months when electricity demand is relatively low such as early spring before air conditioning is needed.  The potential impact on the grid from the high solar generation on days with low electricity demand and the steep reduction in solar in the evening has been dubbed the “duck” issue by the California ISO and was described in a recent post by the Energy Institute at Haas (https://energyathaas.wordpress.com/2016/05/02/the-duck-has-landed/).

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Topics: NEMS, Energy Modeling, Renewable Energy

Our Complex Electric System

Posted by OnLocation on Mar 17, 2016 11:00:00 AM

A recent article posted on The Energy Collective titled “The U.S. Electricity System in 15 Maps” uses a series of maps to illustrate the diversity and complexity of the U.S. electric system as a foundation for understanding some of the conditions impacting the power industry. The maps highlight the regional variety that exists in the current generation mix, electricity prices, and the energy resources available, including wind, solar, natural gas and coal. Region-specific regulations such as renewable portfolio standards (RPS), the Regional Greenhouse Gas Initiative (RGGI) and others add to the complexity of these markets and the difficulty of projecting how these markets will change in the next 10-20 years.

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Topics: NEMS, Energy Modeling, Electricity System

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