PNM's Strategic Move into the CAISO EDAM Energy Market

PNM's Strategic Shift to CAISO EDAM

Public Service Company of New Mexico (PNM), a subsidiary of TXNM Energy (NYSE: TXNM), has outlined an ambitious plan to join the California Independent System Operator (CAISO) Extended Day-Ahead Market (EDAM). This step is aimed at boosting reliability and delivering economic advantages to its customers, a commitment that PNM has upheld since its participation in CAISO's Western Energy Imbalance Market (WEIM) in 2021.

Benefits of Joining EDAM

EDAM represents a voluntary day-ahead regional market which expands upon the existing WEIM framework. Through this partnership, PNM aims to unlock the full potential of renewable energy sourced from New Mexico, ultimately ensuring that customers receive clean and reliable service at minimized costs. Don Tarry, PNM's President and CEO, emphasizes the substantial benefits experienced through WEIM, noting that New Mexico customers have enjoyed approximately $125 million in advantages since PNM joined. With expectations of providing an additional $20 million annually, EDAM is set to be a major boon for local customers.

Improving Regional Coordination

The establishment of both day-ahead and real-time markets under CAISO is designed to enhance economic, environmental, and reliability efficiency across the Western United States. The goal is to streamline resources across the region and foster closer cooperation among utilities. While EDAM won't launch until 2026, PNM anticipates commencing participation by 2027, demonstrating its proactive approach to regional energy management.

Regulatory Support from New Mexico

PNM's intent to join EDAM follows a supportive stance from the New Mexico Public Regulation Commission (NMPRC). The NMPRC's recent statement emphasizes guiding principles for participation in regional markets formulated through extensive discussions, inquiries, and insights from prominent experts. This regulatory backing reinforces PNM's strategic choice, enhancing its ability to deliver promise for better services.

Comments from CAISO Leadership

Elliot Mainzer, CAISO's President and CEO, expressed enthusiasm regarding PNM's decision to enter EDAM. He indicated the importance of building on the successful framework established by WEIM, which is recognized for its economic and reliability advantages. CAISO's collaborative spirit aims not only to support PNM's operational goals but also to advance overall energy market efficiency.

Background on TXNM Energy

TXNM Energy (NYSE: TXNM) is an energy holding company headquartered in Albuquerque, providing energy services to over 800,000 residential and commercial entities across Texas and New Mexico through its regulated utilities such as TNMP and PNM. This expansion into EDAM signifies TXNM's commitment to innovation and sustainability, reinforcing its leadership in the region's energy sector.

Contact Information

For media inquiries, contact:

Analyst Contact

Lisa Goodman

(505) 241-2160

Media Contact

Corporate Communications

(505) 241-2743

Frequently Asked Questions

What is the primary goal of PNM joining the EDAM market?

The primary goal is to enhance reliability and economic benefits for customers through improved coordination and efficiency in energy markets.

When is PNM expected to start participating in EDAM?

While EDAM is set to officially launch in 2026, PNM anticipates starting its participation as early as 2027.

How much is expected to be saved for customers through EDAM?

It is expected that EDAM could provide an annual benefit of approximately $20 million to customers in New Mexico.

What previous experience does PNM have with regional markets?

PNM has been a participant in the Western Energy Imbalance Market (WEIM), which has delivered around $125 million in benefits since its joining in 2021.

Who is the parent company of PNM?

The parent company of PNM is TXNM Energy, which operates multiple utilities across Texas and New Mexico.

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