Rate Cases

Approved return on equity: 9.86% Approved overall rate of return: N/A Approved revenue requirement increase: $6.6 million Approved residential class rate increase: 15.8% Requested return on equity: 10.25% Requested overall rate of return: 6.56% Requested revenue requirement increase: $8.3 million Requested residential class rate increase: 18.7% Time period: January 2025 to December 2025

Approved return on equity: 9.9% Approved overall rate of return: 5.45% Approved revenue requirement increase: $217.38 million Approved residential class rate increase: 4.65% Requested return on equity: 10.5% Requested overall rate of return: 5.92% Requested revenue requirement increase: $456 million Requested residential class rate increase: 9.6% Time period: January 2025 through December 2025

Approved return on equity: 9.9% Approved overall rate of return: 5.97% Approved revenue requirement increase: $153.8 million Approved residential class rate increase: 2.79% Requested return on equity: 10.25% Requested overall rate of return: 6.21% Requested revenue requirement increase: $325 million Requested residential class rate increase: 8.2% Time period: March 2025 to February 2026

Approved return on equity: 9.7% Approved overall rate of return: 6.57% Approved revenue requirement increase: $1.75 million in 2025, $550,000 in 2026 Approved residential class rate increase: 3.40% Requested return on equity: 10% Requested overall rate of return: 6.75% Requested revenue requirement increase: $2.8 million Requested residential class rate increase: 17.5% Time period: January 2025

Approved return on equity: 9.8% Approved overall rate of return: 5.8% Approved revenue requirement increase: $113.78 million Approved residential class rate increase: 2.28% Requested return on equity: 10.25% Requested overall rate of return: 6.04% Requested revenue requirement increase: $266 million Requested residential class rate increase: 9% Time period: Oct. 1, 2024 – Sept. 30, 2025

Approved return on equity: 9.9% Approved overall rate of return: N/A Approved revenue requirement increase: $35 million Approved residential class rate increase: 1.5% Requested return on equity: 10.25% Requested overall rate of return: 6.2% Requested revenue requirement increase: $136 million Requested residential class rate increase: 5.7% Time period: Oct. 1, 2024 – Sept. 30, 2025

Approved return on equity: 9.86% (last rate case was 9.86%) Approved overall rate of return: 6.03% (last rate case was 6.08%) Approved revenue requirement increase: $17.3 million (last rate case was $36.4 million) Approved residential class rate increase: 4.66% (last rate case was 15.03%) Requested return on equity: 10.5% Requested overall rate of return: 6.42%

Approved return on equity: 9.9% Approved overall rate of return: 5.85% Approved revenue requirement increase: $92 million Approved residential class rate increase: 1.61% Requested return on equity: 10.25% Requested overall rate of return: 6.11% Requested revenue requirement increase: $216 million Requested residential class rate increase: 3.3% Time period: Feb. 2024 – Feb. 2025

Approved return on equity: 9.80% Approved revenue requirement increase: $9.9 million Approved residential class rate increase: 4.99% Requested return on equity: 10.4% Requested revenue requirement increase: $19.1 million Requested residential class rate increase: 8.2% Time period: Jan. 1, 2024 – Dec. 31, 2024

Approved return on equity: 9.9% Approved overall rate of return: 5.56% Approved revenue requirement increase: $368 million Approved residential class rate increase: 6.38% Requested return on equity: 10.25% Requested overall rate of return: 5.70% Requested revenue requirement: $619 million Requested residential class rate increase: 13.9% Time period: Dec. 1, 2023 – Nov. 30, 2024 Events: In response to the Dec. 1 MPSC