CPS Energy’s offices and customer service centers will be closed on Wednesday, December 24, and Thursday, December 25, 2025, in observance of Christmas. We will reopen on Friday, December 26, at 7:45 AM. Although our call center will be closed for regular business, we remain open for customers to report natural gas or electric emergencies at any time by calling 210-353-HELP (4357) or 1-800-870-1006. Online services may be conveniently accessed through Manage My Account (MMA).
Design Criteria
Related Links
- Spruce Drains Pond Certification-Alternative Composite Liner Design Documentation
- Hazard Potential Classification for Existing CCR Surface Impoundments - 5 Year Update (2023)
- Spruce Drains Pond Certification-IDF Control System Plan
- Spruce Drains Pond Certification-Liner Construction Completion
- Hazard Potential Classification for Existing CCR Surface Impoundments - 5 Year Update (2021)
- Calaveras Inflow Design Flood Control Plan - 5 Year Update (2021)
- Calaveras Structural Stability and Safety Factor Assessments - 5 Year Update (2021)
- Liner Design Criteria for Existing CCR Surface Impoundments
- Hazard Potential Classification for Existing CCR Surface Impoundments
- Calaveras Compilation of Construction History
- Calaveras Inflow Design Flood Control Plan
- Calaveras Structural Stability and Safety Factor Assessments
- Coal Combustion Residue Impoundment Round 12 - Dam Assessment Report - Spruce Power Plant
- Coal Combustion Residue Impoundment Round 12 - Dam Assessment Report - Deely Power Plant
