Name File Type Size Last Modified
  CAISO_costs 10/11/2022 12:14:PM
  CAISO_prices 10/12/2022 12:28:PM
Data Availability Statement and README files.pdf application/pdf 354.1 KB 10/15/2022 12:58:PM

Project Citation: 

Jha, Akshaya, and Wolak, Frank. Data and Code for: Can Forward Commodity Markets Improve Spot Market Performance?  Evidence from Wholesale Electricity . Nashville, TN: American Economic Association [publisher], 2023. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 2023-04-07. https://doi.org/10.3886/E141521V1

Project Description

Summary:  View help for Summary Forward markets are believed to aggregate information about future spot prices and reduce the cost of producing the commodity. We develop a measure of the extent to which forward and spot prices agree in markets with transaction costs. Using this measure, we show that day-ahead prices better reflect real-time prices at all locations in California's electricity market after the introduction of financial trading. We then present evidence suggesting that operating costs and input fuel use fell after the introduction of financial trading on days when the nonconvexities inherent to the production and transmission of electricity are especially relevant.

Scope of Project

Subject Terms:  View help for Subject Terms Wholesale Electricity Markets; Virtual Bidding; Financial Trading; Forward Commodity Markets; Transaction Costs
JEL Classification:  View help for JEL Classification
      G18 General Financial Markets: Government Policy and Regulation
      L94 Electric Utilities
      Q48 Energy: Government Policy
Geographic Coverage:  View help for Geographic Coverage California
Time Period(s):  View help for Time Period(s) 4/1/2009 – 11/30/2012
Universe:  View help for Universe California's wholesale electricity market
Data Type(s):  View help for Data Type(s) administrative records data

Methodology

Data Source:  View help for Data Source We collect data on hourly location-specific day-ahead and real-time prices from the OASIS API administered by California's Independent System Operator.

The analysis pertaining to input fuel use and production costs uses hourly generation-unit-level data on input fuel measured in millions of British Thermal Units (MMBTU) and electricity output in MWh from the Continuous Emissions Monitoring Systems database administered by the United States Environmental Protection Agency.
Unit(s) of Observation:  View help for Unit(s) of Observation Pricing locations and generation units in California's wholesale electricity market

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