Tucson Electric Power (TEP) Data Access Guide
Tucson Electric Power (TEP) is an investor-owned electric utility serving roughly 455,000 customers in the greater Tucson, Arizona area. TEP has deployed AMI smart meters providing hourly interval data via its My Energy Usage portal with CSV download, supports EDI 810 invoicing over FTP, and authorizes third-party data sharing through a formal Usage Data Release Form. TEP is regulated by the Arizona Corporation Commission.
How to Get Your Tucson Electric Power (TEP) Data: All Access Methods
| Method | 1st Party | 3rd Party | Customer Types | Data Types | Latency | Format |
|---|---|---|---|---|---|---|
| My Account billing portal | ✓ | ✓ | Residential, Commercial, Industrial | Billing, usage | Real-time / daily | Web, PDF, CSV |
| My Energy Usage (hourly interval) | ✓ | ✓ | All customers | Hourly interval kWh, demand | Updated every 24 hours | Web, CSV |
| EDI 810 over FTP | ✓ | ✓ | Commercial / Industrial | Invoice/billing data | Per billing cycle | ANSI X12 |
| Usage Data Release Form (third-party) | — | ✓ | All customers | Billing, interval | 5-10 business days | CSV, PDF |
Billing Data Access
TEP provides billing data through the My Account self-service portal with cloud-based storage. Customers can view, pay, and download bills, with up to 24 months of billing history and a dedicated CSV usage-data download endpoint.
What Data Is on Your Tucson Electric Power (TEP) Bill
- Itemized current bill (delivery service, power supply, surcharges, taxes)
- Historical bills (24 months)
- Monthly kWh usage
- On-peak and off-peak usage breakdown
- Demand (kW) for the billing period
- Billing dates and periods
How to Download Tucson Electric Power (TEP) Bills (Business & Commercial)
- 01Log in to My Account and select the commercial account
- 02Review itemized demand and energy charges in Billing & Payment
- 03Download CSV usage data for analysis or import into energy-management tools
- 04For automated delivery, contact Commercial Energy Solutions at 520-745-3425 to discuss EDI or a Data Release Form
How to Download Tucson Electric Power (TEP) Bills (Residential)
- 01Create or log in to My Account at https://account.tep.com/MyAccount/
- 02Open the Bill / Billing & Payment section to view the current bill
- 03Open Billing History to review up to 24 months of bills
- 04Use Download Usage Data (https://account.tep.com/MyAccount/UsageDataDownload) to export CSV
Third-Party Access to Tucson Electric Power (TEP) Billing Data
Usage Data Release Form
- 01Customer completes the TEP Usage Data Release Form (https://www.tep.com/data-release-form/)
- 02Submit to TEP by mail (P.O. Box 711, Tucson, AZ 85702-0711) or per instructions from 520-623-7711
- 03TEP processes and notifies both customer and third party of approval
- 04Authorized third party requests billing data referencing the signed form; delivery typically 5-10 business days
Want to understand the charges on your bill?
See the Tucson Electric Power (TEP) Rate Schedules & Tariff Guide →Interval Data & Smart Meters
TEP has deployed AMI smart meters across its service area and provides hourly interval data to all customers through the My Energy Usage portal and mobile app, with CSV download available. Data is updated at least every 24 hours.
How to Download Tucson Electric Power (TEP) Interval Data via Green Button
- 01TEP does not offer standardized Green Button (ESPI/XML) download or Connect My Data.
- 02Use the My Energy Usage CSV export as the machine-readable equivalent: log in at https://www.tep.com/my-energy-usage/
- 03Select date range and download hourly interval data as CSV
- 04Alternatively use the direct UsageDataDownload endpoint at https://account.tep.com/MyAccount/UsageDataDownload
Interval data is essential for rate comparison and TOU analysis.
See which Tucson Electric Power (TEP) rate schedule is best for your usage pattern →Third-Party API Access
TEP does not maintain a public developer portal or REST API. Third-party access is granted through a customer-signed Usage Data Release Form; Nectar provides API access to TEP billing and interval data on the customer's behalf — see docs.nectarclimate.com.
How to Register as a Tucson Electric Power (TEP) API Vendor
- 01Guide the customer to complete the Usage Data Release Form
- 02Submit the signed form to TEP and await approval
- 03Request data referencing the authorization; specify period and format (CSV)
- 04Optionally work through Nectar for automated retrieval (docs.nectarclimate.com)
EDI (Electronic Data Interchange)
Supported Tucson Electric Power (TEP) EDI Transaction Sets
| Code | Name | Purpose |
|---|---|---|
| 810 | Invoice | Transmits billing invoice data (billing period, account, energy and demand charges, adjustments, total due) in ANSI X12 format via FTP. |
| 997 | Functional Acknowledgement | Returned by TEP to confirm receipt and successful processing of EDI files. |
How to Enroll in Tucson Electric Power (TEP) EDI
- 01Contact TEP Commercial Energy Solutions at 520-745-3425 to request EDI trading partner enrollment
- 02Complete the EDI Trading Partner Questionnaire/Agreement and provide ISA/GS identifiers
- 03Receive FTP credentials and complete testing in the TEST environment (confirm EDI 997 acknowledgements)
- 04Request production activation and begin sending production EDI files on the billing schedule
Rate Schedules & Tariff Analysis
TEP's C&I rates are demand-driven, with the demand charge typically the largest line item for facilities above ~20 kW. The non-TOU LGS schedule pairs a low energy charge (1.43-1.72 cents/kWh) with a flat $19.97/kW demand charge, while TOU schedules apply much higher on-peak demand charges (LGS-TOU up to $25.43/kW summer on-peak) that reward load-shifting. A separate Power Supply Charge and the variable PPFAC rider are added on top of base rates.
Tucson Electric Power (TEP) Rate Schedule List
| Schedule | Applicability |
|---|---|
| Medium General Service (MGS / MGS-TOU) | 20-300 kW commercial and industrial |
| Large General Service (LGS / LGS-TOU) | 300-5,000 kW commercial and industrial |
| Large Power Service Time-of-Use (LPS-TOU) | 5,000 kW and above industrial |
Tucson Electric Power (TEP) Rate Features & TOU Details
- Demand charges based on the highest 15-minute interval demand in the billing period
- Ratchet provision: LGS billing demand is the greatest of current demand, 75% of the prior 11 months' peak, or contract capacity/200 kW
- Seasonal pricing - summer (May-Sept) energy and power-supply rates exceed winter
- Primary-voltage discount of 20.6 cents/kW/month available on LGS
- Variable PPFAC rider passes through fuel and purchased-power cost changes
For a deeper analysis including cost optimization strategies and historical rate trends:
Read the full Tucson Electric Power (TEP) Rate Optimization Guide →Other Data Access Programs
SmartDR (Smart Demand Response)
Demand response program offering quarterly bill credits to large commercial, industrial, and institutional customers who curtail usage during peak periods. Currently paused as of 2026 for program improvements.
- 01Contact SmartDR@tep.com to express interest
- 02Confirm eligibility (large C&I/institutional load)
- 03Enroll and agree to curtailment terms when the program resumes
Limitations & Considerations
- ⚠No standardized Green Button (ESPI/XML) Download My Data or Connect My Data.
- ⚠No public developer portal or REST API; programmatic access relies on CSV exports, EDI, or aggregators.
- ⚠Interval data is hourly to customers (not 15-minute export), though billing demand is metered on a 15-minute basis.
- ⚠Repeat data requests beyond the first per calendar year are billed at $75/hour (Fee No. 15).
- ⚠SmartDR demand response program is paused as of 2026.
Tucson Electric Power (TEP) Data Access FAQ
Can a commercial customer get automated billing data feeds from TEP?▾
Yes. TEP supports EDI 810 invoice transactions over FTP in ANSI X12 format. Enroll by contacting Commercial Energy Solutions at 520-745-3425, complete the trading partner agreement, and test before production. There is no separate monthly fee for standard EDI support.
How does a C&I customer download interval data for energy analysis?▾
Log in to My Energy Usage (https://www.tep.com/my-energy-usage/) or use the direct UsageDataDownload endpoint to export hourly kWh, on-peak/off-peak, and demand data as CSV. The first consumption/interval-history request per calendar year is free; subsequent written requests are charged at Fee No. 15 ($75/hour).
Does TEP support Green Button or a public API?▾
No. TEP does not offer standardized Green Button (ESPI/XML) or a public REST API. The My Energy Usage CSV export is the machine-readable equivalent, and Nectar can retrieve billing and interval data via the Usage Data Release Form — see docs.nectarclimate.com.
How does a third party (consultant, aggregator) access a customer's data?▾
The customer completes a Usage Data Release Form (https://www.tep.com/data-release-form/) specifying the third party, data scope, and time period. After TEP approval, the third party requests data referencing the authorization; delivery is typically 5-10 business days in CSV or PDF.
What does TEP charge for data requests?▾
The first consumption-history or interval-history request per calendar year is free. Subsequent requests are billed under Fee No. 15 of the Statement of Charges at $75/hour (effective September 1, 2023, ACC Decision No. 79065). Commercial customers can request a binding fee estimate in advance.
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