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Western Massachusetts Wholesale Supply
Information relevant to any active energy procurement process for Eversource in Western Massachusetts.
Historical data and information on this page is provided for the convenience of bidders only and should not be considered representing or estimating any future obligation or commitment.
Questions regarding the information contained on this page should be directed to:
Nicholas Piehl
Senior Analyst, Electric Supply
Eversource
247 Station Drive
Westwood, MA 02090
Phone: 781-441-3202
Request for Proposal Documents
- Request for Proposal for Default Service Delivery Commencing November 1, 2026 (PDF)
- Master Power Agreement (.docx file download)
- Bid Form (.xls file download)
Important Electric Supply Dates
July 29
Last update prior to bid day.
August 4
Bid day. All bids due by 10 a.m. EPT
Historical Customer and Load Information
These files are .xls format and will auto download when opened.
- ICAP - Tags
- Generic Rate ICAP tags for 2026 – 2027
- Customer Count and Load by Supply Type for 2026
- Customer Count and Load by Supply Type for 2025
- Actual Hourly Loads for 2026
- Actual Hourly Loads for 2025
- Actual Hourly Loads for 2024
- Actual Hourly Loads for 2023
- Actual Hourly Loads for 2022
- Actual Hourly Loads for 2021