Last week's article provides additional guidance on how best to leverage these sites, what to watch out for, and what other factors to consider when searching for information on suppliers.
| State | Website & Link | Category |
| Nationwide sites | Choose Energy | Comparison Site (Gas & Electric) |
| Save on Energy | Comparison Site (Gas & Electric) | |
| California | CPUC - Registered Electric Service Providers | Supplier List (Electric) |
| Connecticut | Energize Connecticut | Comparison Site (Electric) |
| PURA - Gas Suppliers | Supplier List (Gas) | |
| Delaware | PSC - Certified Electric Providers | Supplier List (Electric) |
| Illinois | Point Click Switch | Comparison Site (Electric) |
| Plug in Illinois (Residential) | Comparison Site (Electric) | |
| ICC - Natural Gas Choice | Comparison Site (Gas) | |
| Maine | MEOPA - Electricity Suppliers (Residential) | Comparison Site (Electric) |
| PUC - Retail Electric Suppliers | Supplier List (Electric) | |
| PUC - Retail Gas Suppliers | Supplier List (Gas) | |
| Maryland | Point Click Switch | Comparison Site (Electric) |
| OPC - Utility Supplier Offers | Comparison Site (Electric) | |
| PSC - Electric Suppliers | Comparison Site (Electric) | |
| PSC - Gas Suppliers | Comparison Site (Gas) | |
| OPC - Natural Gas Suppliers | Supplier List (Gas) | |
| Massachusetts | EEA - Resources for Consumers | Supplier List (Electric) |
| EEA - Competitive Gas Suppliers | Supplier List (Gas) | |
| Michigan | PSC - Alternative Electric Suppliers | Supplier List (Electric) |
| PSC - Alternative Gas Suppliers | Supplier List (Gas) | |
| Michigan Natural Gas Choice (Residential) | Comparison Site (Gas) | |
| Nevada | PUC - Alternative Sellers of Nature Gas | Supplier List (Gas) |
| New Hampshire | PUC - Suppliers and Aggregators | Supplier List (Electric) |
| PUC - Natural Gas Suppliers and Aggregators | Supplier List (Gas) | |
| New Jersey | BPU - Third Party Suppliers | Supplier List (Gas & Electric) |
| New York | DPS - ESCO Directory | Supplier List (Gas & Electric) |
| PSC - Power to Choose (Residential) | Comparison Site (Gas & Electric) | |
| Pennsylvania | PA Power Switch | Comparison Site (Electric) |
| PA Gas Switch (Residential) | Comparison Site (Gas) | |
| PUC - Natural Gas Suppliers | Supplier List (Gas) | |
| Ohio | Energy Choice Ohio | Comparison Site (Gas & Electric) |
| Rhode Island | National Grid - Electricity Suppliers (C&I) | Supplier List (Electric) |
| RIPUC - Gas Marketers | Supplier List (Gas) | |
| Power2Switch | Comparison Site (Electric) | |
| Texas | Power to Choose | Comparison Site (Electric) |
| Virginia | SCC - Competitive Service Providers & Aggregators | Supplier List (Gas & Electric) |
| Washington, DC | PSC - Electric Supplier Offers (Residential) | Comparison Site (Electric) |
| PSC - Electric Suppliers | Supplier List (Electric) | |
| PSC - Gas Supplier Offers (Residential) | Comparison Site (Gas) | |
| PSC - Current Gas Suppliers | Supplier List (Gas) |
