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West/Central Massachusetts (WCMA)

Download hourly wholesale load cost reports for the Western/Central Massachusetts Load Zone (WCMA). New England is divided into eight electric energy load zones used for wholesale energy market settlement.

Please note: Data represents latest available settlement data. See the Monthly Wholesale Load Cost Analysis for details and assumptions.
 

 
West/Central Massachusetts (WCMA)
Description Timestamp Download
Current - May 2026 for West/Central Massachusetts 06/30/2026 01:19 PM EDT CSV
March 2025 for West/Central Massachusetts 06/30/2026 12:30 PM EDT CSV
April 2025 for West/Central Massachusetts 06/30/2026 12:41 PM EDT CSV
May 2025 for West/Central Massachusetts 06/30/2026 01:16 PM EDT CSV
June 2025 for West/Central Massachusetts 06/30/2026 01:17 PM EDT CSV
July 2025 for West/Central Massachusetts 06/30/2026 01:17 PM EDT CSV
August 2025 for West/Central Massachusetts 06/30/2026 01:17 PM EDT CSV
September 2025 for West/Central Massachusetts 06/30/2026 01:18 PM EDT CSV
November 2025 for West/Central Massachusetts 06/30/2026 01:18 PM EDT CSV
December 2025 for West/Central Massachusetts 06/30/2026 01:18 PM EDT CSV
October 2025 for West/Central Massachusetts 06/30/2026 01:18 PM EDT CSV
April 2026 for West/Central Massachusetts 06/30/2026 01:19 PM EDT CSV
February 2026 for West/Central Massachusetts 06/30/2026 01:19 PM EDT CSV
January 2026 for West/Central Massachusetts 06/30/2026 01:19 PM EDT CSV
March 2026 for West/Central Massachusetts 06/30/2026 01:19 PM EDT CSV