NESCOE

2015 ISO/RTO Metrics Report Summary

Presentation

Dated: November 25, 2015

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2015 ISO/RTO Metrics Report
Summary

November 2015

ISO/RTO Metrics Report – Background

Independent system operators (ISOs) and regional transmission organizations (RTOs) that are regulated by the Federal Energy Regulatory Commission (FERC) prepare the ISO/RTO Metrics Report.

At FERC’s direction, the report provides information on various data points common to each of the system operators.

Further history: The ISO/RTO Metrics Report originated in 2008 with a review by the U.S Government Accountability Office (GAO) at the request of the U.S. Senate Committee on Homeland Security and Governmental Affairs. The GAO recommended that the FERC work with ISOs/RTOs and others to standardize measures that track the performance of ISO/RTO operations and markets, and to report the performance results to Congress and the public.

The ISOs and RTOs submitted the report in response to the FERC’s “Request for Information on Common Performance Metrics for RTOs and ISOs and Utilities Outside RTO and ISO Regions” (August 17, 2015).

This Report includes the 30 Common Metrics and “Other Metrics Specific to ISO and RTO Performance” identified in the Commission Staff “Common Metrics Report” issued on August 26, 2014.

The ISO/RTO Metrics Report presents RTO information serially, not comparatively. 

NESCOE prepared these with RTO data to provide a comparative look at some of the issues.

ISO/RTO Overview

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ISO/RTO Background Information

ISO/RTOInstalled Generation (MW)Miles of Transmission LinesPopulation (millions)
CAISO57,12426,00030
ISO-NE31,0008,60014
MISO180,00665,80048
NYISO39,03911,08620
PJM183,60462,55661
SPP58,98250,57515

Metric Interpretation – Comparability

Information must be assessed in the proper context – a number of factors influence the data and could result in variations among the ISOs/RTOs:

  • Geographic diversity of the control area
  • Different reliability planning standards
  • Tariff requirements, e.g., interconnection studies
  • Regional resource mixes – natural resource availability, and associated political, economic, and environmental factors
  • Prevailing weather patterns, demographic trends, and economic conditions

Fuel Diversity

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Capacity

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Energy

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Renewable and Hydro Resources

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Generator Performance

[see pdf for graphic]

Market Pricing – Energy

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Market Pricing – Components

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Market Competitiveness

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Generator Interconnection – Time

[see pdf for graphic]

Generator Interconnection -Studies

[see pdf for graphic]

Transmission for Reliability

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ISO New England in Detail

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