Customer Migration Data (Switching Stats)

California

California PUC Direct Access Implementation Activity Reports

Connecticut

Monthly migration data, broken out by supplier

Delaware

Delaware PSC monthly Choice Enrollment reports

Delmarva monthly Choice Enrollment filings (may be posted sooner than PSC page above)

District of Columbia PSC

DC PSC monthly electricity postings (scroll down to Number of Customer Accounts and Market Share and more reports)

DC PSC posting of WGL quarterly reports

Pepco monthly filings

WGL monthly filings - Note: PSC website does not allow direct link. Paste " GT96-2 " into the Case Number field, leave all other fields blank, and click search.

Illinois

Illinois Commerce Commission monthly electric switching statistics

Maine

Maine PUC monthly migration statistics

Maryland

Maryland PSC Electric Choice Enrollment monthly reports

Maryland PSC Gas Choice Enrollment current quarterly report - scroll down to "Gas Choice Enrollment Report"

Maryland PSC Gas Choice Enrollment archived quarterly reports - latest report may not appear, use link above to access current report

Maryland utility monthly reports on residential customers served under dual billing or SCB - PC64 monthly reports on number of customers served under dual billing and SCB, broken out by supplier

Massachusetts

Massachusetts DOER monthly migration statistics, electric and gas (posted quarterly for electric, annually for gas)

Massachusetts DPU Customer Enrollment and Automatic Renewal Reports (posted periodically, includes customer breakdown by marketing method)

Michigan

Michigan PSC monthly electric choice reports and links to utility cap tracking systems - scroll to: Utilities in Michigan with Electric Customer Choice participation

Michigan PSC annual electric choice report (2026) - lists MW and number of customers served by each supplier

Michigan PSC Gas Choice - Current Status of Customer Participation (monthly)

New Jersey

New Jersey BPU Switching Data - electric and natural gas, monthly

New York

New York PSC Retail Access migration reports (annual)

Ohio

PUC of Ohio electric and natural gas migration reports (includes separate electric government aggregation reports)

Pennsylvania

Pennsylvania PUC monthly electric switching data - access on PA Power Switch, scroll down to the "as of" date link underneath "Pennsylvanians Have Already Switched"

Pennsylvania PUC monthly natural gas switching data - access on PA Gas Switch, scroll down to the "as of" date link underneath "Pennsylvanians Have Already Switched"

Pennsylvania OCA quarterly electricity switching data

Pennsylvania OCA quarterly natural gas switching data

Rhode Island

RI PUC quarterly migration data

Texas

ERCOT Retail Monthly Transaction Totals - Scroll to ERCOT Retail Monthly Transaction Totals

Observed Selection of Electric Providers - Scroll to Observed Selection of Electric Providers