Duquesne Light Company Data Access Guide
Duquesne Light Company (DLC) serves about 614,000 electric customers in the Pittsburgh region of southwestern Pennsylvania. As a wires-only distribution utility in deregulated Pennsylvania, DLC delivers power while customers may shop for supply; data access is available via the EGS Usage Portal, EDI 814 HI, and Nectar's API (docs.nectarclimate.com).
How to Get Your Duquesne Light Company Data: All Access Methods
| Method | 1st Party | 3rd Party | Customer Types | Data Types | Latency | Format |
|---|---|---|---|---|---|---|
| Online Billing Portal | ✓ | — | Residential, C&I | Bills, payment history | Real-time | PDF, HTML |
| EGS Usage Portal | ✓ | ✓ | AMI accounts (GL/GLH/HVPS); EGS & authorized 3P | 15-min interval | Daily (next-day) | CSV, Excel |
| EDI 814 HI / 867 | — | ✓ | Licensed EGS / trading partners | Interval, usage, billing | 1-5 business days | EDI 4010, .prn |
| Email request (LOA) | ✓ | ✓ | All (with authorization) | Interval, billing | 5-10 business days | .prn |
| Nectar API | ✓ | ✓ | All (with authorization) | Bills, interval, tariff | Varies | JSON (API) |
Billing Data Access
DLC provides online billing for residential and business customers through its web portal and mobile app. Customers view and download individual bills as PDF; there is no bulk CSV/Excel export from the main portal.
What Data Is on Your Duquesne Light Company Bill
- Usage (kWh)
- Demand (kW) for demand-metered accounts
- Service charges
- Supplier charges
- Taxes
- Payment history
- Account balance
How to Download Duquesne Light Company Bills (Business & Commercial)
- 01Register an online account at duquesnelight.com
- 02Open Account & Billing then Account Summary
- 03View current balance and bill detail; download PDF per bill
- 04For automated/bulk access use EDI or Nectar's API (docs.nectarclimate.com)
How to Download Duquesne Light Company Bills (Residential)
- 01Go to https://www.duquesnelight.com and click Log In or Register
- 02Register at https://auth.duquesnelight.com/portal/register/ with email, password, service address, and account number
- 03Complete identity verification and confirm email
- 04Open My Account then Account & Billing then Account Summary
- 05Open individual bills to view/download PDF; use date filters for history
Third-Party Access to Duquesne Light Company Billing Data
Email-based data request with LOA
- 01Obtain a signed Letter of Authorization from the customer (account number, data scope, time period)
- 02Email DLC_SSC@duqlight.com with the LOA and request details
- 03Reference Data Access Request plus customer name and account number
- 04DLC verifies authorization; processing takes 5-10 business days
Nectar API
- 01Integrate with Nectar's API — see docs.nectarclimate.com
- 02Customer authorizes data sharing for Duquesne Light through Nectar's consent flow
- 03Receive bills, interval, and tariff data via secure API in JSON
Want to understand the charges on your bill?
See the Duquesne Light Company Rate Schedules & Tariff Guide →Interval Data & Smart Meters
DLC has deployed about 625,000 Itron AMI smart meters under Pennsylvania Act 129, collecting 15-minute interval data. Customers view usage in the My Electric Use portal; interval data downloads (CSV) are available through the EGS Usage Portal for accounts on rates GL, GLH, and HVPS.
How to Download Duquesne Light Company Interval Data via Green Button
- 01Green Button is not implemented at DLC. Use the alternatives below.
- 02First-party usage view: My Electric Use portal at duquesnelight.com
- 03Interval download: request EGS Usage Portal access at https://swp.duquesnelight.com/PortalAccessRequest
- 04Email request: send a signed LOA to DLC_SSC@duqlight.com for .prn interval files
Interval data is essential for rate comparison and TOU analysis.
See which Duquesne Light Company rate schedule is best for your usage pattern →Third-Party API Access
DLC does not publish a public developer API. Programmatic third-party access is achieved via Nectar, which retrieves DLC bills and interval data under customer authorization and exposes them via a unified API — see docs.nectarclimate.com. Licensed suppliers can alternatively use the EGS Usage Portal or EDI.
Available Duquesne Light Company API Endpoints
| Function | Endpoint | Method | Format |
|---|---|---|---|
| Account information | /accounts | GET | JSON |
| Billing data | /accounts/{id}/bills | GET | JSON |
| Usage / interval data | /accounts/{id}/usage | GET | JSON |
How to Register as a Duquesne Light Company API Vendor
- 01Review Nectar's API documentation at docs.nectarclimate.com
- 02Obtain API credentials and sandbox access
- 03Implement the OAuth 2.0 customer consent flow
- 04Have the customer select Duquesne Light and authorize sharing
- 05Retrieve data via Nectar API endpoints (accounts, bills, usage) in JSON
Sources
EDI (Electronic Data Interchange)
DLC supports ANSI X12 4010 EDI for licensed Electric Generation Suppliers (EGS) and authorized third parties under Pennsylvania PUC Electronic Data Exchange standards. The 814 HI (Load History) transaction is the primary method for programmatic interval data requests; 867 carries monthly usage. Trading-partner enrollment and testing are required.
Supported Duquesne Light Company EDI Transaction Sets
| Code | Name | Purpose |
|---|---|---|
| 814 | Enrollment / Interval Load Data (814 HI) | Customer enrollment/switching and historical interval load data requests |
| 867 | Monthly Usage | Standard monthly usage transmission |
| 820 | Invoice / Payment | Billing invoice transmission |
| 810 | Bill Statement | Detailed billing information |
How to Enroll in Duquesne Light Company EDI
- 01Confirm PA PUC EGS license or authorized third-party status
- 02Email DLC_SSC@duqlight.com referencing EDI Trading Partner Enrollment with company, license, EDI contact, and translator details
- 03Receive a Supplier/Trading Partner ID and connection details from DLC
- 04Review the 4010 Implementation Guides (DLC / PA PUC)
- 05Complete EDI testing during the published testing window, then move to production
Sources
Rate Schedules & Tariff Analysis
DLC's distribution rates are regulated by the PA PUC, while supply is competitive. Most C&I cost is the regulated distribution charge plus either default supply (Rider 8 Price to Compare, adjusting up to 4x/year) or a competitive EGS contract. Smaller classes (GS, GM, GMH) have published class-average Price to Compare values; larger classes (GL, GLH, L, HVPS) use hourly Rider 9 or EGS supply and are demand-charge driven. The first base distribution rate increase since 2022 took effect December 20, 2024.
Duquesne Light Company Rate Schedule List
| Schedule | Applicability |
|---|---|
| General Service Small (GS) | Small non-demand commercial |
| General Service Medium (GM) | Medium demand-metered commercial |
| General Service Large (GL/GLH) | Large commercial >=300 kW |
| Large Power Service (L) | Demand >=5,000 kW |
| High Voltage Power Service (HVPS) | Contract demand >=5,000 kW at 69 kV+ |
Duquesne Light Company Rate Features & TOU Details
- Deregulated supply (PA Electric Choice) with regulated DLC distribution
- Default Service Supply Rider No. 8 Price to Compare, updated up to 4x/year
- Rider No. 9 Day-Ahead Hourly Price Service for >=200 kW and large C&I
- Demand-driven distribution charges for GL/GLH/L/HVPS classes
- Business Time-of-Use supply rate option for eligible small-medium C&I
For a deeper analysis including cost optimization strategies and historical rate trends:
Read the full Duquesne Light Company Rate Optimization Guide →Other Data Access Programs
Third-Party Load Control Program
Allows authorized demand-response aggregators and energy managers to manage enrolled customer load and access load-control data through the supplier portal.
- 01Request access at https://swp.duquesnelight.com/PortalAccessRequest and select Third Party Load Control Program
- 02Provide PUC ID or organization credentials
- 03Obtain customer authorization to enroll
- 04Access load-control eligibility, capability, and event performance data
Peak Saver / Smart Charging Programs
Voluntary demand-response and EV-charging load-shift programs with participation and event data viewable through the customer portal.
- 01Enroll through the customer portal or DLC customer service
- 02Participate in peak events or managed EV charging
- 03View event history and performance in the portal
Limitations & Considerations
- ⚠Green Button (Download My Data and Connect My Data) and ESPI API are not implemented.
- ⚠No public developer API for customer data; Nectar's API (docs.nectarclimate.com) or EDI are the programmatic paths.
- ⚠No bulk CSV/Excel export of billing data from the main customer portal.
- ⚠Interval data via portal/EDI is limited to AMI accounts on rates GL, GLH, and HVPS.
- ⚠Interval data requests: first per account per year free, then $60 per account per additional request in the same year.
- ⚠Third-party portal delegation is not offered through the main account portal.
Duquesne Light Company Data Access FAQ
Can C&I customers shop for their electricity supplier?▾
Yes. Pennsylvania is a deregulated retail-choice state. Duquesne Light delivers power and bills distribution, while customers can buy generation from any licensed Electric Generation Supplier (EGS) via PA Power Switch, or remain on DLC default supply (Rider No. 8) at the published Price to Compare.
How do third parties get 15-minute interval data?▾
Through the EGS Usage Portal (CSV download for authorized accounts on rates GL/GLH/HVPS), EDI 814 HI for trading partners, an email request with a signed LOA (delivered as a .prn file), or via Nectar, which provides API access to this utility's billing and interval data — see docs.nectarclimate.com. The first interval data request per account each calendar year is free; additional requests are $60 per account.
Does Duquesne Light support Green Button?▾
No. DLC has not implemented Green Button Download My Data or Connect My Data, and does not offer an ESPI API. Programmatic access uses ANSI X12 EDI (814 HI / 867) or Nectar's API (docs.nectarclimate.com). First-party usage is viewed in the My Electric Use portal.
What is the Price to Compare?▾
It is DLC's default supply rate (cents/kWh) used to benchmark competitive EGS offers. Verified class-average values effective 06/01/2026 include GS 10.88, GM <25 kW 11.57, GM 25-200 kW 11.71, and GMH <25 kW 11.13 cents/kWh. It adjusts up to four times a year, so re-check before signing supply contracts.
What rate schedules apply to large C&I customers?▾
Large customers take General Service Large (GL/GLH, >=300 kW), Large Power Service (L, >=5,000 kW), or High Voltage Power Service (HVPS, >=5,000 kW at 69 kV+). These are demand-driven; supply comes via Rider No. 9 hourly service or a competitive EGS. Exact distribution charges are in the PA PUC No. 25 retail tariff.
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