Independent rate tracking, supplier comparison, and bill forecasting powered by official Connecticut rateboard data.
Grid Shopper AI: Looking to switch from United Illuminating standard service? Let me help you compare your energy supplier options.
The Connecticut rateboard shows you a list of supplier offers for United Illuminating. We made this chart to help visualize the offers by contract length. You can select a supplier from the list to highlight their offers.
Every circle is a plan posted on the official Connecticut rateboard. You can visit the rateboard using the link above to see the full list with links to the supplier websites to sign up.
Default service rate (green dashed line)
Major Energy • 12 months
Curious about another utility? Browse our current offers hub for the rest of the markets we cover.
Here’s our forecast of electricity usage and bills for the average United Illuminating home. It updates daily so you can see what’s ahead and how it compares to normal. Want help applying this forecast to your usage? Grid Shopper AI can walk you through potential savings.
We save snapshots of the Connecticut rateboard a few times per day so we can show you how supplier offers have changed over time. You can use these charts to see how average offers have changed over the past 6 months, recent supplier rate updates, and offer history for a specific supplier.
Suppliers in United Illuminating can update their offers frequently as electricity market conditions change, while the United Illuminating default service rate moves only a few times a year.
Want a wider view? Visit our price trends page to compare movement across every utility we track.
The table shows suppliers that have changes their rateboard offers over the past 2 days.
Toggle between "Today" and "Yesterday" to switch days, and between "Summary" and "Detail" views to see rate change details.
Lots of supplier changes usually signals changing wholesale market conditions, while an empty table means we haven't picked up any changes over these past 2 days.
Curious about a single supplier? Pick them from the dropdown and watch their plans play out by term length.
Flat lines mean steady pricing; gaps mean the supplier skipped that term for a bit.
If you want to stack multiple utilities side-by-side, head to our supplier trends page for broader comparisons.
United Illuminating's auctions set the default supply rate for customers who don't switch suppliers. Tracking these auctions helps show when and how the rates may change -- and how many customers are choosing alternatives.