CPS Energy’s offices and customer service centers will be closed on Monday, September 1, 2025, in observance of Labor Day. We will reopen on Tuesday, September 2, at 7:45 AM. Although our call center will be closed for regular business, we are still open for customers to report natural gas or electric emergencies anytime 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
