The following are the different steps to be followed
If you do not have a Twinmeter account, please register at the following address: https://twinmeter.es/#/login
Request access to the Twinmeter API via the following address: firstname.lastname@example.org
After you have completed the supporting formalities, you will be provided with the following data, which you will have to enter in Configuration>Integrations>Add new+
Finally, your Sentinel Solar account and Twinmeter are now synchronized.