Enel X – Consumer Energy – RFP for Electric Generation Capacity

Published:July 8, 2025

The North American Energy Markets Association is posting this RFP on behalf of our member Enel X and their client Consumers Energy.

Company Overview

Consumers Energy is the principal subsidiary of Jackson-based CMS Energy Corporation and is Michigan’s largest energy provider, providing electricity and/or gas to almost 7 million of the state’s 10 million residents in all 68 counties in the Lower Peninsula. Consumers Energy provides electric service to 1.9 million customers. The Company operates three coal-fueled generating units, two oil/gas-fueled and three gas-fueled generating units, 13 hydroelectric plants, a pumped storage electric generating plant, five wind-powered energy parks, and three solar photovoltaic generation systems. The Company also purchases power from several independent power producers through long term PPAs. More information about Consumers Energy is available by visiting www.consumersenergy.com

RFP Overview

Consumers is seeking to procure various electric capacity products via web-based pricing events administered by Enel X on the Enel X Auction Platform. Consumers will evaluate offers for:

Conforming Offers: o Annual Midcontinent Independent System Operator, Inc. (“MISO”) Zonal Resource Credits (“ZRCs”) sourced from any LRZ within MISO LRZ 1 through 7 (collectively “MISO North”) across Planning Years (“PY” or “PYs”) 2026-27 through 2031-32

o 5-Year MISO ZRCs sourced from any LRZ within MISO North across PYs 2026-27 through 2030-31

o Seasonal MISO ZRCs sourced from any LRZ MISO North across PYs 2026-27 through 2031-32.

Consumers will collect conforming offers across three tranches of live reverse auction events on the Enel X Auction Platform, with one tranche for LRZ 7 offers only, one tranche for offers derived from LRZ 1 through LRZ 6, and a third tranche for seasonal offers derived from LRZ 1 through LRZ 7.

Enel X will host online pricing events for Consumers for sought conforming and non-conforming capacity products as detailed below. The pricing events will open for offers beginning at 10:30 AM EPT on Thursday, July 31, 2025. Additional details regarding this RFP are also set out below.

Enel X – RFP for Electric Capacity – Online Pricing Events July 31 2025