Cobb Electric Membership Corporation (Cobb EMC) Data Access Guide
Cobb EMC is Georgia's largest electric membership cooperative, serving roughly 224,000 member-accounts across metro-Atlanta's northwest suburbs. As a member-owned co-op outside Georgia's retail-choice rules, it provides hourly interval data and Green Button exports through the NISC SmartHub platform.
How to Get Your Cobb Electric Membership Corporation (Cobb EMC) Data: All Access Methods
| Method | 1st Party | 3rd Party | Customer Types | Data Types | Latency | Format |
|---|---|---|---|---|---|---|
| SmartHub Portal & Mobile App | ✓ | — | Residential & Commercial | Billing, usage | Real-time view | Web/App, PDF |
| Green Button Download My Data | ✓ | ✓ | Residential & Commercial | Hourly interval | Same/next day | XML, CSV |
| Green Button Connect My Data | — | ✓ | Authorized third parties | Interval, billing | Automated | XML / API |
| NISC SmartHub API | — | ✓ | Partner vendors | Account, usage, billing | Real-time | JSON |
| Nectar | ✓ | ✓ | Residential & Commercial | Billing, interval | Periodic sync | Multiple |
Billing Data Access
Billing data is available 24/7 through the NISC SmartHub web portal and mobile app. Members can view current balances, download PDF bills, and review payment history.
What Data Is on Your Cobb Electric Membership Corporation (Cobb EMC) Bill
- Current bill balance and due date
- Billing history (prior bills)
- Bill in PDF format
- Account summary and service details
- Payment history
- Rate and charge breakdown
How to Download Cobb Electric Membership Corporation (Cobb EMC) Bills (Business & Commercial)
- 01Call Cobb EMC Business Services at 770-429-2100 to establish online access
- 02Log into SmartHub with provided credentials
- 03Open Billing & Pay to view demand, power-factor, and TOU charges
- 04Download bills in PDF and export billing data for accounting
How to Download Cobb Electric Membership Corporation (Cobb EMC) Bills (Residential)
- 01Go to https://cobbemc.smarthub.coop and register with account number and billing ZIP
- 02Log in and open Billing & Pay
- 03Select View/Print Bill to open the PDF
- 04Use the billing history section to download prior bills
Third-Party Access to Cobb Electric Membership Corporation (Cobb EMC) Billing Data
SmartHub Connected Apps (OAuth 2.0)
- 01Member logs into SmartHub
- 02Opens Connected Applications / Third Party Access
- 03Authorizes the application via OAuth consent
- 04Application receives an access token for ongoing retrieval
Nectar API access
- 01Integrate with Nectar — see docs.nectarclimate.com
- 02Customer provides their Cobb EMC account number
- 03Customer authorizes via SmartHub login
- 04Nectar syncs billing and interval data
Want to understand the charges on your bill?
See the Cobb Electric Membership Corporation (Cobb EMC) Rate Schedules & Tariff Guide →Interval Data & Smart Meters
Cobb EMC has fully deployed AMI (194,195+ smart meters) with hourly interval data managed in Oracle Utilities Meter Data Management. Usage is viewable in SmartHub and exportable via Green Button.
How to Download Cobb Electric Membership Corporation (Cobb EMC) Interval Data via Green Button
- 01Log into SmartHub
- 02Open the My Usage tab
- 03Click Green Button Download My Data
- 04Select date range, granularity, and XML or CSV format
- 05Download the zipped file and extract the data
Interval data is essential for rate comparison and TOU analysis.
See which Cobb Electric Membership Corporation (Cobb EMC) rate schedule is best for your usage pattern →Third-Party API Access
NISC SmartHub exposes a RESTful API with OAuth 2.0. Access requires a business partnership; it is not publicly documented. Customer-authorized retrieval is also available via Green Button CMD and via Nectar, which provides API access to Cobb EMC billing and interval data — see docs.nectarclimate.com.
Available Cobb Electric Membership Corporation (Cobb EMC) API Endpoints
| Function | Endpoint | Method | Format |
|---|---|---|---|
| Account info | /accounts/{accountId} | GET | JSON |
| Interval usage | /accounts/{accountId}/usage | GET | JSON |
| Billing data | /accounts/{accountId}/bills | GET | JSON |
How to Register as a Cobb Electric Membership Corporation (Cobb EMC) API Vendor
- 01Contact Cobb EMC Business Services for SmartHub API and sandbox access
- 02Receive client credentials
- 03Implement OAuth 2.0 and call endpoints
- 04Test in sandbox then request production access
EDI (Electronic Data Interchange)
How to Enroll in Cobb Electric Membership Corporation (Cobb EMC) EDI
- 01Contact Business Services to discuss data integration or API needs rather than retail-choice EDI
Sources
Rate Schedules & Tariff Analysis
Cobb EMC C&I rates combine a fixed service charge, tiered/declining energy blocks, and (for Rate 40 and above) a demand component plus reactive-demand adjustment. All rates float with the Wholesale Power Adjustment (WP-12), so verified base figures are supplemented by a monthly power-cost pass-through.
Cobb Electric Membership Corporation (Cobb EMC) Rate Schedule List
| Schedule | Applicability |
|---|---|
| Rate 30 - Small General Service | Single-phase commercial, churches, schools |
| Rate 40 - Large General Service | Three-phase demand-metered commercial |
| Commercial TOU / CPP | Time-varying commercial pricing |
| Large Power 900 kW+ | Large C&I negotiated contract |
Cobb Electric Membership Corporation (Cobb EMC) Rate Features & TOU Details
- Tiered/declining-block energy pricing
- Seasonal winter/summer differentiation (Rate 30)
- Demand charges with summer/winter ratchets (Rate 40)
- Reactive-demand (kVAR) adjustment over 50 kW
- Wholesale Power Adjustment (WP-12) pass-through
- TOU and CPP options for load shifting
For a deeper analysis including cost optimization strategies and historical rate trends:
Read the full Cobb Electric Membership Corporation (Cobb EMC) Rate Optimization Guide →Other Data Access Programs
Commercial Critical Peak Pricing (CPP)
Commercial CPP rate with higher prices 3-8 p.m. on summer weekdays and during critical peak events, rewarding load shifting.
- 01Review the Commercial CPP Rate Schedule
- 02Complete the enrollment form
- 03A representative enrolls the account
NiteFlex EV / Time-of-Use
Time-of-use options including the NiteFlex EV rate provide consumption broken out by on-peak and off-peak periods.
- 01Review TOU rate options at cobbemc.com/rates
- 02Enroll through Member Services
- 03View time-period usage in SmartHub My Usage
Limitations & Considerations
- ⚠No formal EDI / ESCO retail-choice transactions (cooperative, no retail choice)
- ⚠SmartHub API requires a business partnership and is not publicly documented
- ⚠Green Button Connect My Data is standard on NISC but not explicitly confirmed for Cobb EMC
- ⚠Export formats limited to Green Button XML/CSV
Cobb Electric Membership Corporation (Cobb EMC) Data Access FAQ
How can our facilities team pull interval data for a Cobb EMC commercial account?▾
Log into SmartHub, open My Usage, and use Green Button Download My Data to export hourly interval data as XML or CSV (up to 14 months). For automation, request SmartHub API access through Business Services.
Does Cobb EMC support automated third-party data access?▾
Yes, through Green Button Connect My Data (OAuth 2.0 on NISC SmartHub) and via Nectar, which provides API access to Cobb EMC billing and interval data — see docs.nectarclimate.com. A direct SmartHub API is available under partnership.
What interval granularity is available for C&I accounts?▾
Hourly (1-hour) interval data plus daily summaries, collected via AMI and managed in Oracle Utilities MDM.
Can our business shop for a competitive electricity supplier?▾
No. Cobb EMC is a member-owned cooperative and Georgia retail choice does not apply, except that large loads of 900 kW or greater for new construction may choose a supplier under the Georgia Territorial Electric Service Act (GTESA).
How are demand charges handled for large commercial accounts?▾
Rate 40 (Large General Service) bills demand based on the highest 30-minute kW with summer/winter ratchets, and applies a reactive-demand (kVAR) adjustment where demand exceeds 50 kW.
The Best Way to Access Data from Cobb Electric Membership Corporation (Cobb EMC)
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