ISA ENERGIA BRASIL is recognised for excellent provision of electrical energy transmission services for its clients - a portfolio of 68 distributors, 1,287 generators and autonomous producers and 139 free consumers.
Clients
IMPORTANT
Should there be any doubt about how we handle your personal data, send an e-mail to [email protected].
If you would rather contact us via post or other physical means, please send correspondence to Av. das Nações Unidas, 14.171 – Torre Crystal – 6º andar São Paulo - SP – CEP 04794-000, care of ‘The person responsible for Data at ISA ENERGIA BRASIL – Ronaldo Rotondo’.
Electronic invoicing system
The Electronic Invoicing System offers restricted access to clients of the Basic and Connection Network who are previously registered and authorised.
Frequently asked questions
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How do I download invoices relating to EUST ((monthly charge for the use of the transmission system?
When accessing the billing portal, it is possible to download the PDF and XML files of the invoices issued by ISA ENERGIA BRASIL and its controlled subsidiaries.
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Which login can I use to access the invoice portal?
The email used for access is the same as the one registered in the ONS system (AMSE), and the password is sent to the registered email.
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If I'm unable to access the invoice portal, how should I proceed?
If you are unable to access the system, please contact us at [email protected].
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In the event of expired invoices, how can I update the payment amount?
For overdue invoices, the updated amount for payment should be requested via email at [email protected] or through the contact information of the representatives registered in the ONS system (AMSE).
Do you still have some questions?
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