Western Markets Expansion: Questions to Ask Your Bid-to-Bill Vendor

Western power markets are entering a new phase of expansion, introducing more centralized coordination across regions through initiatives such as SPP RTO Expansion (RTOE), SPP Markets+, and CAISO’s EDAM and DAME.

Join us for a 30-minute session with Yes Energy’s bid-to-bill product team as we walk through 11 critical questions every participant should ask when evaluating a vendor for this evolving landscape. Grounded in real-world operational and financial workflows, we’ll highlight where teams often underestimate complexity and how those gaps surface after go-live.

What you will learn:

- An overview of Western market expansion and what it means for utilities, IPPs, and market participants

- The key operational challenges introduced across bidding, scheduling, settlements, and compliance

- 11 essential questions to ask when evaluating a bid-to-bill vendor

- Where organizations commonly underestimate complexity—and how it impacts operations post go-live

- A practical framework for assessing vendors beyond initial market access to support long-term success

The bid-to-bill product team will conclude the session with a live Q&A on Western market readiness and vendor evaluation, so don't forget to bring your questions!

Meet the Speakers

Katie Mallison, Yes Energy

Senior Product Manager

Katie Mallinson is an energy markets professional with over 15 years of experience across U.S. wholesale power and gas markets. She brings deep expertise in real-time and day-ahead trading, market operations, and asset optimization, with hands-on experience in CAISO, WECC, PJM, MISO, and SPP. She has managed a wide range of physical assets—including natural gas, hydro, renewable, and hybrid resources such as wind, solar, and battery storage—applying market fundamentals, regulatory compliance, and operational execution to drive value and manage risk. She now leverages this market experience in her role as a Senior Product Manager, developing bid-to-bill software solutions that support complex transactions, trading, and analytic workflows for utilities, IPPs, and power trading organizations.

Denice Purdum, Yes Energy

Senior Product Manager

Denice Purdum is senior product manager at Yes Energy for the bid-to-bill platform and plays a critical role in building back-office solutions. She brings over 25 years of experience providing SaaS solutions in the electricity industry, including deal capture, risk management, load forecasting, ISO bidding/scheduling, wholesale settlement, contract billing, and retail pricing/billing. She is a subject matter expert in CAISO, SPP, ERCOT, PJM, ISO-NE, and NYISO. Denice enjoys boating, hiking, and taking long walks, often deep in thought about the next big enhancement.

BLOG

CAISO EDAM and DAME in Practice: Frequently Asked Questions

RESOURCE HUB

CAISO EDAM & DAME: What's Changing and How to Prepare

CAISO EDAM for utilities - blog link image

RESOURCE HUB

CAISO's EDAM: Resources for Utilities

Western Markets Expansion: Questions to Ask Your Bid-to-Bill Vendor Before It's Too Late

Western power markets are entering a new phase of expansion, introducing more centralized coordination across regions through initiatives such as SPP RTO Expansion (RTOE), SPP Markets+, and CAISO’s EDAM and DAME.

Meet the Speakers

More Resources to Explore

Looking for more power market resources?