ED: Other company developments

Item 8.01 Other Events On September 4, 2026, Consolidated Edison Company of New York, Inc. (CECONY), the New York State Department of Public Service (NYSDPS) and other parties entered into a joint proposal for a CECONY steam rate plan for the three-year period November 1, 2026 through October 31, 2029 (the Joint Proposal). The Joint Proposal is subject to approval by the New York State Public Service Commission (NYSPSC). The following table contains a summary of the Joint Proposal. CECONY – Steam Effective period November 2026 – October 2029 Base rate changes Yr. 1 – $13 million (a) Yr. 2 – $42 million (a) Yr. 3 – $39 million (a) Capital expenditures Yr. 1 – $ 143 million Yr. 2 – $ 127 million Yr. 3 – $ 126 million Amortizations to income of net regulatory assets Yr. 1 – $ 8 million (b) Yr. 2 – $ 8 million (b) Yr. 3 – $ 8 million (b) Weather Normalization Adjustment Continuation of a weather normalization adjustment to reflect normal weather conditions during the heating season. Recoverable energy costs Continuation of current rate recovery of purchased power and fuel costs. Negative revenue adjustments Potential charges if certain performance targets relating to service, reliability, safety and other matters are not met: Yr. 1 – $4.3 million Yr. 2 – $4.5 million Yr. 3 – $4.7 million Regulatory reconciliations (c) Reconciliation of expenses for pension and other postretirement benefits, variable-rate debt, property taxes (d), municipal infrastructure support costs (e) and environmental site investigation and remediation to amounts reflected in rates (f). Net utility plant reconciliations Yr. 1 – $2,147 million Yr. 2 – $2,165 million Yr. 3 – $2,145 million Average rate base Yr. 1 – $2,118 million Yr. 2 – $2,234 million Yr. 3 – $2,311 million Weighted average cost of capi