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Ross Fessenden, Adrienne Horne, and Eldon Lopes, Genscape Power
August 16, 2018
Motivation The California Independent System Operator (CAISO) market saw more hours with energy prices below $0 in 2017 than any year since 2012, continuing a trend seen in recent years. The ongoing influx of solar generation in the region is the main catalyst for more frequent negative pricing during...
solar panels
Adrienne Horne, Julien Vandal, Robert Lance, and Zachary Szumloz, Genscape Power
June 05, 2018
In this blog series, we explore the regional power market impacts of behind the meter solar generation (BTM). In this post, we examine the ISO New England (ISO-NE) power market region, where we are starting to see clear patterns of price volatility driven by incorrect expectations of BTM. Stay...
solar eclipse
Ross Fessenden, David Quinn, Genscape, and Will Martin, Locus Energy
September 01, 2017
The solar eclipse came and went, and California’s power grid is still intact! While the eclipse was quite the spectacle to behold, Genscape saw fairly tame CAISO prices in the fifteen-minute market (FMM). During the hours of the eclipse, hours ending 10-12, southern California (SP-15) FMM...
solar eclipse
Ross Fessenden, David Quinn, Genscape, and Will Martin, Locus Energy
August 07, 2017
The California ISO recently had a quarterly market performance and planning call during which they addressed the upcoming eclipse on August 21. In the meeting, they outlined their assumptions for load, the rate of decline in solar production heading into the eclipse, and the rate of increase in solar...
residential solar
Charles McBrearty, Lead Analytics Programmer
July 05, 2017
In the previous two posts in our “Chasing Waterfalls” blog series, we introduced Locus Energy’s Waterfall as a tool that we developed to model the causes of PV system underperformance to give a more complete understanding of what is occurring in large fleets of residential PV systems. We...
residential solar in massachusetts
Charles McBrearty, Lead Analytics Programmer
June 28, 2017
In Part I of our “Chasing Waterfalls” blog series, we introduced our new Virtual Irradiance Performance Waterfall, a tool that the Locus analytics team developed to disaggregate the causes of residential solar PV system underperformance. In Part II, we will share a little about what the Waterfall...
virtual irradiance map
Charles McBrearty, Lead Analytics Programmer
June 23, 2017
Locus’ analytics team is constantly striving to improve the methods that we use to detect underperforming systems in the fleet of residential PV systems that we monitor. This led us to investigate relative performance metrics in 2011-2012 and to develop our own in-house Virtual Irradiance system...
solar panels
Joe Bernardi, NatGas Research Analyst, Ryan Clements, Power Analyst, Rick Margolin, Sr. Gas Analyst
March 29, 2017
A majority of the signals for California gas this summer are bearish, largely due to the growth of renewables, although there are a few bullish offsetting factors such as SoCal’s continued storage issues and growth in upstream demand. An abundance of cheap hydropower will only continue to flood the...
california utility solar
February 24, 2016
On Wednesday, February 16, 2016, utility solar generation in California hit a new record of 6,486 MW, according to California ISO. Utility generation surpassed that again on Monday, February 22, 2016, when output reached 6,551 MW in the state. Part of this record-breaking trend is being...
crude export ban and impact on renewables
Locus Energy, Genscape Oil, Genscape Power & Genscape Biofuels
December 18, 2015
Now in the hands of President Obama for final sign off, the budget deal that could end the 1975 oil export ban, could also extend investment and Production Tax Credits (ITC and PTC) that support wind and solar energy. The tax measure (a provision sought by Democrats in exchange for lifting the oil export...

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