Investigations into competitive supply companies
The Department of Public Utilities (DPU) monitors and enforces compliance with the DPU’s consumer protection rules and regulations through informal and formal investigations. On the settlements between competitive supply companies and the DPU webpage, you will find a list of all formal and informal investigations of competitive supply companies that resulted in a settlement.
Policy investigations
| Case number | Description |
|---|---|
| D.P.U. 19-07 | Investigation into initiatives to promote and protect consumer interests in the retail electric competitive supply market
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| D.P.U. 16-156 | Investigation to establish interim guidelines for competitive supply formal investigations and proceedings
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| D.P.U.14-140 | Investigation into initiatives to improve the retail electric competitive supply market
|
| D.P.U.09-46 | Investigation into terms and conditions for competitive electric suppliers consistent with An Act Relative to Green Communities |
| D.T.E. 01-54 | Investigation into competitive market initiatives |
| D.T.E. 01-28 | Investigation into the billing services to be provided by electric distribution companies to competitive suppliers serving customers in their service territories |
| D.T.E. 97-65 | Terms and conditions governing the relationship between distribution companies and customers |
| D.T.E.96-100 | Electric industry restructuring by electric companies |
| D.T.E. 95-30 | Electric industry restructuring by electric companies |
Order of delegation
The competitive supply license renewal applications are not signed by the Commission. These administrative orders outline who at the DPU signs the license renewal application, which is typically the director of the Electric Power Division.
| Case number | Description |
|---|---|
| D.P.U. 20-02 | Order of delegation for competitive supply and electricity broker renewal applications |
| D.P.U. 19-27 | Order of delegation for competitive supply and electricity broker renewal applications |
| D.P.U. 17-134 | Order of delegation for competitive supply and electricity broker renewal applications |
Restructured industry filings
In 1997, the Massachusetts Legislature passed the Electric Restructuring Act (Act). With this Act, you have the option to select an entity other than your electric company for supply. To implement the Act, the DPU issued regulations. The electric companies then made the filings below to comply with the DPU's restructuring regulations.
Boston Edison
| Case number | Description |
|---|---|
| D.T.E.99-107 | Petition for 1999 transition charge true-up |
| D.T.E. 99-19 | Joint petition for approval of rate plan |
| D.T.E.98-128 | Petition for approval of the sale by Boston Edison Company of its Pilgrim Nuclear Power Station and associated generation assets to Energy Nuclear Generation Company |
| D.T.E.98-111 | Petition for 1998 transition charge true-up |
| D.T.E.98-113 | Petition for approval of divestiture transaction |
| D.T.E. 96-23 | Petition for review of its electric industry restructuring proposal |
Commonwealth Electric Company/Cambridge Electric Light Company
| Case number | Description |
|---|---|
| D.T.E. 99-90 | Petition requesting approval of transition charge reconciliation filing |
| D.T.E. 99-19 | Joint petition for approval of rate plan |
| D.T.E. 98-78/83 | Petition to sell to Southern Energy New England, L.L.C. its interest in the Canal 2 generating facility |
| D.T.E. 97-111 | Petition requesting approval to offer retail customers competitive electric generation service |
Eastern Edison Company
| Case number | Description |
|---|---|
| D.T.E. 99-47 | Joint petition for approval of Eastern Edison Company's merger into Massachusetts Electric Company and other related approvals |
| D.T.E.98-78/83 | Petition to sell to Southern Energy New England, L.L.C. its interest in the Canal 2 generating facility |
| D.T.E. 97-105 | Petition for approval of the amended plan for implementing divestiture and corporate restructuring of Montaup Electric Company and Eastern Edison Company |
| D.T.E. 96-24 | Petition for review of its electric industry restructuring proposal |
Fitchburg Gas and Electric Light Company
| Case number | Description |
|---|---|
| D.T.E. 99-110 | Petition for approval of their electric reconciliation mechanism and inflation adjustment filing |
| D.T.E. 97-115/98-120 | Petition for review of its electric industry restructuring plan |
Massachusetts Electric Company/ Nantucket Electric Company
| Case number | Description |
|---|---|
| D.T.E.99-123 | Petition for approval of rate adjustments to the Companies' existing tariff to become effective for usage on and after January 1, 1999 |
| D.T.E. 97-94 | Petition to sell to USGen New England, Inc., substantially all of New England Power Company's non-nuclear generating assets; and a petition for authority by NEP to issue up to $100 million of financing to support trigger payments for certain purchased power contracts that may be required of NEP under IPP contracts transfer agreement |
| D.T.E. 92-65 | Petition for review of electric industry restructuring proposal |
Western Massachusetts Electric Company
| Case number | Description |
|---|---|
| D.T.E. 00-68 | Petition for approval of asset divestiture |
| D.T.E. 00-40 | Petition for approval to approve the issuance of rate reduction bonds |
| D.T.E. 99-74 | Petition for approval of generation asset divestiture |
| D.T.E. 99-29 | Petition for approval of asset divestiture |
| D.T.E. 97-120 | Petition for review of its electric industry restructuring plan |
Contact
| Last updated: | June 30, 2026 |
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