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About CONVEX

The Connecticut Valley Electric Exchange (CONVEX) operates the electric transmission system in Connecticut and western Massachusetts, serving more than 1.7 million people. CONVEX provides safe and reliable electricity to help boost the economy and quality of life for this thriving region's residential and business customers.

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* Please note that all data is preliminary and is subject to change.

New England Load Graph

Connecticut Load Graph

CONVEX Load Graph

GLOSSARY

  • Rolling Blackouts
    Temporary interruption of electrical service. ISO New England would implement rolling blackouts only if and when New England's electrical system is unable to meet heavy peak demands because of an extreme deficiency in the power supply. By temporarily disconnecting electrical circuits on a rotating basis, a majority of customers have power, inconvenience is minimized and a more serious widespread problem is averted. Each rotation is of a specific duration, usually no longer than a few hours, but it could take longer in some locations due to the manual nature of the operation.
  • Power Warning
    Public appeals when an immediate reduction in power usage is necessary to avert overload of the electrical system. Public appeals are made when other efforts (e.g. emergency purchases, voluntary curtailment, contracted curtailment and voltage reduction) have been unsuccessful in bringing supply and demand back into balance.
  • Power Watch
    Advisories to be announced when conditions are such that further steps to manage capacity could affect the public.

Full Glossary

FAQs

  • Q: How does one remain on the CONVEX Authorized Personnel List?

    The individual will be placed on the Authorized Personnel List (APL) for the location specified by their supervisor. If the individual transfers to another location, CONVEX will need to receive a letter from their Supervisor or New Supervisor that the individual is knowledgeable of the equipment at the new location and request the APL be changed to the new location.

    Everyone on the Authorized Personnel List (APL) is required to attend a one-half day Switching and Tagging Refresher Course every three (3) years to remain on the Authorized Personnel List.

     

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