Summary

33.39%
Apr Average Renewable Serving Load
25.56%
Year to Date Average Renewable Serving Load
72.73%
Max 5 min. Renewable Serving Load All-time
5.529TWh
Apr Metered Renewable Generation
10540MW
Apr Max Solar Production
10540MW
Year to Date Max Solar Production
10540MW
All-time Max Solar Production
60709MWh
Apr Solar Energy Curtailed
4496MW
Apr Max Wind Production
4496MW
Year to Date Max Wind Production
4985MW
All-time Max Wind Production
10850MWh
Apr Wind Energy Curtailed
12527MW/3hr
Apr Max 3 Hour Net Load Ramp
5.332%
Percent of 5-min Intervals with Negative Prices
105.2%
Apr Average Control Performance Standard (CPS1)
71559MWh
Apr Wind and Solar Energy Curtailed

Renewable Generation Trends

Monthly Maximum Percent of Load Served by Renewables

Created with Highcharts 6.2.0Percentage of Load (%)Chart context menuBiogasBiomassSmall HydroGeothermalWindSolarJan 2015Feb 2015Mar 2015Apr 2015May 2015Jun 2015Jul 2015Aug 2015Sep 2015Oct 2015Nov 2015Dec 2015Jan 2016Feb 2016Mar 2016Apr 2016May 2016Jun 2016Jul 2016Aug 2016Sep 2016Oct 2016Nov 2016Dec 2016Jan 2017Feb 2017Mar 2017Apr 2017May 2017Jun 2017Jul 2017Aug 2017Sep 2017Oct 2017Nov 2017Dec 2017Jan 2018Feb 2018Mar 2018Apr 2018020406080

Monthly Metered Renewable Generation

Created with Highcharts 6.2.0Energy Generated (TWh)Chart context menuBiogasBiomassSmall HydroGeothermalWindSolarJan 2015Feb 2015Mar 2015Apr 2015May 2015Jun 2015Jul 2015Aug 2015Sep 2015Oct 2015Nov 2015Dec 2015Jan 2016Feb 2016Mar 2016Apr 2016May 2016Jun 2016Jul 2016Aug 2016Sep 2016Oct 2016Nov 2016Dec 2016Jan 2017Feb 2017Mar 2017Apr 2017May 2017Jun 2017Jul 2017Aug 2017Sep 2017Oct 2017Nov 2017Dec 2017Jan 2018Feb 2018Mar 2018Apr 201802468

Net Load

Monthly minimum Net Load

Created with Highcharts 6.2.0Min Net Load (MW)Chart context menuJan 2015Mar 2015May 2015Jul 2015Sep 2015Nov 2015Jan 2016Mar 2016May 2016Jul 2016Sep 2016Nov 2016Jan 2017Mar 2017May 2017Jul 2017Sep 2017Nov 2017Jan 2018Mar 201805,00010,00015,00020,000

Monthly Maximum Net Load Ramp

Created with Highcharts 6.2.0Max Net Load Ramp (MW)Chart context menuJan 2015Mar 2015May 2015Jul 2015Sep 2015Nov 2015Jan 2016Mar 2016May 2016Jul 2016Sep 2016Nov 2016Jan 2017Mar 2017May 2017Jul 2017Sep 2017Nov 2017Jan 2018Mar 201805,00010,00015,00020,000

Net Load Distributions

Monthly Distribution of 5-min Net Load Ramps

Created with Highcharts 6.2.0MWChart context menu25th PercentileMedianMean75th PercentileJan 2015Feb 2015Mar 2015Apr 2015May 2015Jun 2015Jul 2015Aug 2015Sep 2015Oct 2015Nov 2015Dec 2015Jan 2016Feb 2016Mar 2016Apr 2016May 2016Jun 2016Jul 2016Aug 2016Sep 2016Oct 2016Nov 2016Dec 2016Jan 2017Feb 2017Mar 2017Apr 2017May 2017Jun 2017Jul 2017Aug 2017Sep 2017Oct 2017Nov 2017Dec 2017Jan 2018Feb 2018Mar 2018Apr 2018050100150200250300

Monthly Distribution of 10-min Net Load Ramps

Created with Highcharts 6.2.0MWChart context menu25th PercentileMedianMean75th PercentileJan 2015Feb 2015Mar 2015Apr 2015May 2015Jun 2015Jul 2015Aug 2015Sep 2015Oct 2015Nov 2015Dec 2015Jan 2016Feb 2016Mar 2016Apr 2016May 2016Jun 2016Jul 2016Aug 2016Sep 2016Oct 2016Nov 2016Dec 2016Jan 2017Feb 2017Mar 2017Apr 2017May 2017Jun 2017Jul 2017Aug 2017Sep 2017Oct 2017Nov 2017Dec 2017Jan 2018Feb 2018Mar 2018Apr 20180100200300400500

Monthly Distribution of 60-min Net Load Ramps

Created with Highcharts 6.2.0MWChart context menu25th PercentileMedianMean75th PercentileJan 2015Feb 2015Mar 2015Apr 2015May 2015Jun 2015Jul 2015Aug 2015Sep 2015Oct 2015Nov 2015Dec 2015Jan 2016Feb 2016Mar 2016Apr 2016May 2016Jun 2016Jul 2016Aug 2016Sep 2016Oct 2016Nov 2016Dec 2016Jan 2017Feb 2017Mar 2017Apr 2017May 2017Jun 2017Jul 2017Aug 2017Sep 2017Oct 2017Nov 2017Dec 2017Jan 2018Feb 2018Mar 2018Apr 201805001,0001,5002,0002,5003,000

Monthly Distribution of 180-min Net Load Ramps

Created with Highcharts 6.2.0MWChart context menu25th PercentileMedianMean75th PercentileJan 2015Feb 2015Mar 2015Apr 2015May 2015Jun 2015Jul 2015Aug 2015Sep 2015Oct 2015Nov 2015Dec 2015Jan 2016Feb 2016Mar 2016Apr 2016May 2016Jun 2016Jul 2016Aug 2016Sep 2016Oct 2016Nov 2016Dec 2016Jan 2017Feb 2017Mar 2017Apr 2017May 2017Jun 2017Jul 2017Aug 2017Sep 2017Oct 2017Nov 2017Dec 2017Jan 2018Feb 2018Mar 2018Apr 201802,0004,0006,0008,000

Negative Prices

Frequency of 5-minute Market Negative Prices

Created with Highcharts 6.2.0Percentage (%)Chart context menuJan 2015Mar 2015May 2015Jul 2015Sep 2015Nov 2015Jan 2016Mar 2016May 2016Jul 2016Sep 2016Nov 2016Jan 2017Mar 2017May 2017Jul 2017Sep 2017Nov 2017Jan 2018Mar 20180510152025

Frequency of 5-minute Market Intervals with Insufficient Down Ramping Capacity

Created with Highcharts 6.2.0Percentage (%)Chart context menuPercentageJan 2015Mar 2015May 2015Jul 2015Sep 2015Nov 2015Jan 2016Mar 2016May 2016Jul 2016Sep 2016Nov 2016Jan 2017Mar 2017May 2017Jul 2017Sep 2017Nov 2017Jan 2018Mar 2018011223

Market Scheduled Renewable Generation

Monthly solar generation market scheduling

Created with Highcharts 6.2.0MWh (Thousands)Chart context menuIFMHASPRTDJan 2015Mar 2015May 2015Jul 2015Sep 2015Nov 2015Jan 2016Mar 2016May 2016Jul 2016Sep 2016Nov 2016Jan 2017Mar 2017May 2017Jul 2017Sep 2017Nov 2017Jan 2018Mar 201801,000,0002,000,0003,000,000

Monthly wind generation market scheduling

Created with Highcharts 6.2.0MWh (Thousands)Chart context menuIFMHASPRTDJan 2015Mar 2015May 2015Jul 2015Sep 2015Nov 2015Jan 2016Mar 2016May 2016Jul 2016Sep 2016Nov 2016Jan 2017Mar 2017May 2017Jul 2017Sep 2017Nov 2017Jan 2018Mar 20180500,0001,000,0001,500,0002,000,0002,500,000

Economic Curtailment

Daily Economic Curtailment in the 5-minute Market (RTD) by Resource Type

Created with Highcharts 6.2.0Curtailed Energy (MWh)Chart context menuWindSolar01-Apr03-Apr05-Apr07-Apr09-Apr11-Apr13-Apr15-Apr17-Apr19-Apr21-Apr23-Apr25-Apr27-Apr29-Apr02,5005,0007,50010,000

Daily Economic Curtailment in the 5-minute Market (RTD) by System Condition

Created with Highcharts 6.2.0Curtailed Energy (MWh)Chart context menuSystemLocal01-Apr03-Apr05-Apr07-Apr09-Apr11-Apr13-Apr15-Apr17-Apr19-Apr21-Apr23-Apr25-Apr27-Apr29-Apr02,5005,0007,50010,000

Monthly Economic Curtailment in the 5-minute Market (RTD) by Resource Type

Created with Highcharts 6.2.0Curtailed Energy (MWh)Chart context menuWindSolarJan 2015Mar 2015May 2015Jul 2015Sep 2015Nov 2015Jan 2016Mar 2016May 2016Jul 2016Sep 2016Nov 2016Jan 2017Mar 2017May 2017Jul 2017Sep 2017Nov 2017Jan 2018Mar 2018025,00050,00075,000100,000

Monthly Economic Curtailment in the 5-minute Market (RTD) by System Condition

Created with Highcharts 6.2.0Curtailed Energy (MWh)Chart context menuSystemLocalJan 2015Mar 2015May 2015Jul 2015Sep 2015Nov 2015Jan 2016Mar 2016May 2016Jul 2016Sep 2016Nov 2016Jan 2017Mar 2017May 2017Jul 2017Sep 2017Nov 2017Jan 2018Mar 2018025,00050,00075,000100,000

Exceptional and Self-Schedule Curtailment

Daily Exceptional Dispatch and Self-Scheduled Curtailment in the 5-minute Market (RTD) by Resource Type

Created with Highcharts 6.2.0Curtailed Energy (MWh)Chart context menuWindSolar01-Apr03-Apr05-Apr07-Apr09-Apr11-Apr13-Apr15-Apr17-Apr19-Apr21-Apr23-Apr25-Apr27-Apr29-Apr0200400600

Daily Exceptional Dispatch and Self-Scheduled Curtailment in the 5-minute Market (RTD) by System Condition

Created with Highcharts 6.2.0Curtailed Energy (MWh)Chart context menuSystemLocal01-Apr03-Apr05-Apr07-Apr09-Apr11-Apr13-Apr15-Apr17-Apr19-Apr21-Apr23-Apr25-Apr27-Apr29-Apr0200400600

Monthly Self-scheduled Curtailment in the 5-minute Market (RTD) by Resource Type

Created with Highcharts 6.2.0Curtailed Energy (MWh)Chart context menuWindSolarJan 2015Mar 2015May 2015Jul 2015Sep 2015Nov 2015Jan 2016Mar 2016May 2016Jul 2016Sep 2016Nov 2016Jan 2017Mar 2017May 2017Jul 2017Sep 2017Nov 2017Jan 2018Mar 201805001,0001,5002,0002,5003,000

Monthly Self-scheduled Curtailment in the 5-minute Market (RTD) by System Condition

Created with Highcharts 6.2.0Curtailed Energy (MWh)Chart context menuSystemLocalJan 2015Mar 2015May 2015Jul 2015Sep 2015Nov 2015Jan 2016Mar 2016May 2016Jul 2016Sep 2016Nov 2016Jan 2017Mar 2017May 2017Jul 2017Sep 2017Nov 2017Jan 2018Mar 201805001,0001,5002,0002,5003,000

Reliability Metrics

Monthly NERC Standard CPS1 metric

Created with Highcharts 6.2.0Percentage (%)Chart context menuJan 2015Mar 2015May 2015Jul 2015Sep 2015Nov 2015Jan 2016Mar 2016May 2016Jul 2016Sep 2016Nov 2016Jan 2017Mar 2017May 2017Jul 2017Sep 2017Nov 2017Jan 2018Mar 20180255075100125150

Reliability Based Control (RBC) - high

Created with Highcharts 6.2.0CountChart context menuAbove 30 MinsBetween 20 and 30 MinsBetween 10 and 20 MinsBelow 10 MinsJan 2015Mar 2015May 2015Jul 2015Sep 2015Nov 2015Jan 2016Mar 2016May 2016Jul 2016Sep 2016Nov 2016Jan 2017Mar 2017May 2017Jul 2017Sep 2017Nov 2017Jan 2018Mar 20180100200300400500

Reliability Based Control (RBC) - low

Created with Highcharts 6.2.0CountChart context menuAbove 30 MinsBetween 20 and 30 MinsBetween 10 and 20 MinsBelow 10 MinsJan 2015Mar 2015May 2015Jul 2015Sep 2015Nov 2015Jan 2016Mar 2016May 2016Jul 2016Sep 2016Nov 2016Jan 2017Mar 2017May 2017Jul 2017Sep 2017Nov 2017Jan 2018Mar 2018050100150200250