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Western Power Markets

CAISO, EDAM, SPP West, WECC, and western transmission market coverage for commercial buyers.

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Follow western market coordination, CAISO/EDAM changes, and regional price-risk signals.

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Cluster Articles

11 articles linked to this topic model

#1ELEVATEDApr 13, 2026

CAISO EDAM Launches May 1: PacifiCorp First to Join Western Day-Ahead Market — $359M Projected Annual Benefit

CAISO's Extended Day-Ahead Market goes live May 1, 2026 with PacifiCorp as the inaugural participant. Brattle Group projects $359M/year in net benefits. Portland General Electric follows fall 2026. New imbalance reserves and reliability capacity products introduced alongside DAME launch.

#2MODERATEApr 2, 2026

SPP RTO West Goes Live: The First US Grid Operator Spanning Both Interconnections Is Now Operational

SPP launched RTO operations in the Western Interconnection on April 1, 2026 — the first US grid operator spanning both East and West. 7 new members including WAPA, Tri-State, and Basin Electric. WEIS terminated. Commercial rate impact for Mountain West buyers.

#3MODERATEMar 16, 2026

CAISO Proposes Funding for ROWE — Western Regional Electricity Market Takes Shape

CAISO proposes to fund the Regional Organization for Western Energy (ROWE) to govern a unified western electricity market. EDAM launches May 2026, SPP expands west, and BPA commits to Markets+. Commercial impact across 14 states.

#4ELEVATEDMar 13, 2026

San Jose 2026: PG&E Hits CCA Customers with 19% Surcharge While SVCE Cuts Rates 40%

PG&E's non-bypassable charges surged 19% for CCA and Direct Access customers in 2026. But Silicon Valley Clean Energy cut generation rates 40%, creating a net 6% bill decrease. New Base Services Charge restructures commercial billing starting March 2026.

#5MODERATEMar 9, 2026

SPP Gas Tariff Price 2026 Impacts from RTO West Expansion & WEIS Termination

Southwest Power Pool terminates its WEIS market April 1, 2026. Discover how SPP's expansion into the Western Interconnection impacts 2026 regional gas tariff pricing and transmission costs.

#6MODERATEFeb 27, 2026

CAISO EDAM Accelerates Toward May Launch as APS Projects $110M in Annual Savings

CAISO finalizes preparations for the May 2026 EDAM launch. APS projects $110M in annual savings, cementing CAISO's dominance. FERC rescinds the legacy West-wide price cap.

#7MODERATEFeb 26, 2026

FERC Rescinds WECC $1,000/MWh Soft Price Cap: Western Markets Grow Up

FERC eliminates the $1,000/MWh soft price cap for WECC bilateral sales, signaling Western electricity market maturity. CAISO EDAM launches May 2026.

#8MODERATEFeb 25, 2026

US to Add Record 86 GW of New Generation in 2026: Solar and Batteries Lead the Charge

US adds record 86 GW new capacity in 2026: 43.4 GW solar, 24.3 GW batteries. Market-by-market analysis of how this reshapes commercial electricity prices.

#9MODERATEFeb 25, 2026

CAISO EDAM Launches May 1: How the Western Day-Ahead Market Reshapes Commercial Energy

CAISO's Extended Day-Ahead Market launches May 1. Analysis of what EDAM means for commercial electricity procurement across the Western US as PacifiCorp onboards first and PGE follows in fall 2026.

#10ELEVATED2026-02-22

Energy Procurement for Cold Storage & Refrigerated Logistics

An analysis of electricity procurement strategies for cold storage warehouses and refrigerated logistics in 2026. How facilities use thermal mass to beat peak demand tariffs.

#11CRITICALFeb 21, 2026

FERC Rescinds Western Wholesale Electricity Price Cap — What It Means for Commercial Buyers

FERC eliminated the WECC $1,000/MWh soft price cap. Western commercial buyers face new wholesale price volatility exposure across 11 states.