CPS Energy (City of San Antonio) Data Access Guide
CPS Energy is the largest municipally-owned integrated electric and natural gas utility in the United States, serving the San Antonio metro. C&I customers access 15-minute interval data and CSV/PDF/PNG exports through the My Business Energy Portal, with no formal Green Button, EDI, or public API program today.
How to Get Your CPS Energy (City of San Antonio) Data: All Access Methods
| Method | 1st Party | 3rd Party | Customer Types | Data Types | Latency | Format |
|---|---|---|---|---|---|---|
| My Business Energy Portal | ✓ | ✓ | C&I | 15-min interval, demand, billing | Day-after | CSV, PDF, PNG |
| My Energy Portal | ✓ | ✓ | Residential | 15-min interval, monthly usage | Day-after | Online viewing |
| Manage My Account | ✓ | ✓ | All | Billing, monthly usage | Per cycle | PDF, online |
| Nectar API | — | ✓ | All | Billing, usage | Daily/weekly | API, CSV |
Billing Data Access
CPS Energy provides billing data through Manage My Account (MMA) and energy portals. C&I customers use the My Business Energy Portal for interactive usage/demand reports with CSV, PDF, and PNG export.
What Data Is on Your CPS Energy (City of San Antonio) Bill
- Monthly billing statements (PDF)
- Current balance and due dates
- 12+ months billing history
- Month-to-month and year-over-year usage comparisons
- Payment history
- Coincident peak and meter usage reports (C&I)
How to Download CPS Energy (City of San Antonio) Bills (Business & Commercial)
- 01Log into Manage My Account with business credentials
- 02Open the My Business Energy Portal and complete business registration if needed
- 03Select meters/accounts and time period to view interactive usage and demand reports
- 04Export charts and data to CSV, PDF, or PNG
How to Download CPS Energy (City of San Antonio) Bills (Residential)
- 01Register at https://secure.cpsenergy.com/mma/existingCust.jsp with your 10-digit account number (starts with 300)
- 02Receive a temporary password by email and change it on first login
- 03Open My Energy Portal from MMA to view bills and monthly usage
Third-Party Access to CPS Energy (City of San Antonio) Billing Data
Authorize Contacts (MMA)
- 01Account holder logs into Manage My Account
- 02Open Manage Your Profile / Authorize Contacts
- 03Add the consultant or facility manager by name and email and grant a permission level
- 04Authorized contact receives an email and gains scoped portal access
Nectar API
- 01Review the integration guides at docs.nectarclimate.com
- 02Customer authorizes data access
- 03Nectar retrieves CPS Energy billing/usage data programmatically
Want to understand the charges on your bill?
See the CPS Energy (City of San Antonio) Rate Schedules & Tariff Guide →Interval Data & Smart Meters
CPS Energy completed AMI deployment in 2018. C&I customers access 15-minute interval data through the My Business Energy Portal with CSV/PDF/PNG export; residential customers view interval data in the My Energy Portal. There is no automated API for interval data.
How to Download CPS Energy (City of San Antonio) Interval Data via Green Button
- 01CPS Energy is not Green Button certified.
- 02C&I customers instead export interval data as CSV from the My Business Energy Portal.
- 03For standardized third-party access, Nectar provides API access to this utility's billing and interval data — see docs.nectarclimate.com — or request a custom data arrangement from CPS Energy.
Interval data is essential for rate comparison and TOU analysis.
See which CPS Energy (City of San Antonio) rate schedule is best for your usage pattern →Third-Party API Access
CPS Energy does not operate a public developer portal or REST API for customer data. Third-party access is via customer Authorize Contacts, or via Nectar, which provides API access to this utility's billing and interval data — see docs.nectarclimate.com. Oracle Fusion (2027-2029) is expected to add native REST APIs and OAuth 2.0.
How to Register as a CPS Energy (City of San Antonio) API Vendor
- 01Have each client authorize you via Authorize Contacts in MMA
- 02Access data through the My Business Energy Portal and export CSV
- 03For high-volume needs, request a custom integration from CPS Energy's commercial team (210-353-3333)
EDI (Electronic Data Interchange)
How to Enroll in CPS Energy (City of San Antonio) EDI
- 01No public EDI program. Contact the Commercial Contact Center at 210-353-3333 or email a custom integration request.
- 02CPS Energy may propose an API-based solution; Oracle Fusion (post-2028) may add native EDI.
Sources
Rate Schedules & Tariff Analysis
C&I customers are assigned to electric schedules primarily by load size and service voltage, escalating from General Service (PL) through LLP, ELP, SLP, and Industrial High Voltage. Larger schedules introduce billing-demand (kW) charges, making 15-minute interval and peak-demand analysis valuable for cost control. Gas C&I customers use base commercial gas or the Large Volume Gas rate.
CPS Energy (City of San Antonio) Rate Schedule List
| Schedule | Applicability |
|---|---|
| General Service (PL) | Base commercial electric |
| Large Lighting & Power (LLP) | Larger commercial with demand charge |
| Extra Large Power (ELP) | Large industrial/commercial |
| Super Large Power (SLP) | Largest industrial loads |
| Industrial High Voltage Service | High-voltage industrial |
| Large Volume Gas | Large-volume commercial/industrial gas |
CPS Energy (City of San Antonio) Rate Features & TOU Details
- Load- and voltage-tiered C&I electric schedules
- Demand (kW) charges on larger schedules
- Fuel and regulatory adjustment charges layered on base rates
- Municipal rates approved by San Antonio City Council, not the PUCT
- Separate gas tariffs for base commercial and large-volume use
For a deeper analysis including cost optimization strategies and historical rate trends:
Read the full CPS Energy (City of San Antonio) Rate Optimization Guide →Sources
Other Data Access Programs
Property Manager Portal
Free 24/7 portal for property managers to view up to 13 months of invoices and manage move-in/move-out across multiple residential accounts.
- 01Register at https://secure.cpsenergy.com/ospm/enroll.jsp
- 02Receive a temporary password and change it on first login
- 03Add and link property accounts under management
Agency Partner Portal
Portal for non-profit assistance agencies to view authorized residential customers' billing and consumption data and process payments/pledges.
- 01Register at https://secure.cpsenergy.com/agencyportal/registration.jsp
- 02CPS Energy reviews registration (about 2 business days)
- 03Activate via email link and create credentials
Limitations & Considerations
- ⚠No Green Button certification (DMD or CMD).
- ⚠No public REST API or developer portal; modern APIs expected with Oracle Fusion ERP (2027-2029).
- ⚠No published EDI program (ANSI X12); custom integration only.
- ⚠Gas interval data is not published to customer portals (monthly only).
- ⚠Interval data access requires keeping a smart meter; opt-out customers lose interval data and pay a meter-reading fee.
CPS Energy (City of San Antonio) Data Access FAQ
Can my business download 15-minute interval data from CPS Energy?▾
Yes. Commercial and industrial customers use the My Business Energy Portal to view 15-minute interval data and export it as CSV, PDF, or PNG. At least 12+ months of history is available.
Does CPS Energy support Green Button or a public API?▾
No. CPS Energy is not Green Button certified and has no public REST API or EDI program. CSV export from the business portal provides equivalent data today, and Oracle Fusion ERP (rolling out 2027-2029) is expected to add native REST APIs.
How can an energy consultant access a client's CPS Energy data?▾
The client authorizes the consultant through the Authorize Contacts feature in Manage My Account. The consultant then accesses the client's accounts in the My Business Energy Portal and exports CSV data — no password sharing required.
Which C&I electric rate schedule applies to my facility?▾
Assignment is driven by load size and service voltage: General Service (PL) for smaller commercial, Large Lighting & Power (LLP) as demand grows, and Extra Large Power (ELP), Super Large Power (SLP), or Industrial High Voltage Service for large industrial loads. Larger schedules add a billing-demand (kW) charge.
Can I shop for a competitive electricity supplier in San Antonio?▾
No. CPS Energy is a municipal utility outside ERCOT competitive retail choice. Customers in its territory buy bundled service under City-approved tariffs and cannot switch to a retail electric provider.
When did CPS Energy rates last change?▾
Base rates increased 4.25% effective February 1, 2024. CPS Energy did not pursue a 2025 increase and has signaled a possible 2026 rate request.
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