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Best option: Disable MFA if your organization allows it.
WAVE adds verified users through its Customer Experience team rather than through the online portal. You’ll generate a dedicated Nectar email address in the connection wizard, then ask WAVE to add that email as a verified user on your account.

Step 1: Generate your Nectar forwarding email

1

Start a new connection or reconnect

From Data Input > Connections, click New connection and select WAVE, or click Reconnect on an existing connection showing MFA Token Expired.
2

Enter your WAVE credentials

Provide the username and password Nectar should use to log in to WAVE.
3

Select managed MFA forwarding

Select Option 1: Managed MFA forwarding and enter your own email address. This is where Nectar forwards any MFA codes or notifications it receives, so you stay in the loop.
4

Copy the generated Nectar email

The wizard displays a generated Nectar email address unique to this connection (for example, nectar-forward-to-your-company@nectarclimate.com). Copy it for the next step.

Step 2: Ask WAVE to add Nectar as a verified user

1

Email WAVE's Customer Experience team

Send an email to a WAVE Customer Experience Adviser at Hello@Wave-utilities.co.uk asking them to add the Nectar generated email as a verified user on your account. Include:
  • Your WAVE account number(s)
  • The generated Nectar email from Step 1 (for example, nectar-forward-to-your-company@nectarclimate.com)
2

Wait for confirmation

Once WAVE adds the verified user, Nectar can complete login and begin pulling billing and usage data. The connection status updates to Connected.
Use the generated email from the wizard, not your own email or a generic Nectar address. The generated email is unique to your connection and is how Nectar links WAVE access back to your account.

Alternative: Email MFA forwarding

If you can’t add Nectar as a verified user, forward WAVE’s verification code emails to a Nectar-provided address so we can complete login on your behalf:
1

Start a new connection or reconnect

From Data Input > Connections, click New connection and select WAVE, or click Reconnect on an existing connection showing MFA Token Expired.
2

Enter your WAVE credentials

In the wizard, enter the username and password Nectar should use to log in to WAVE.
3

Get your Nectar forwarding address

The wizard provides a unique forwarding address for your organization (for example, nectar-forward-to-your-company@nectarclimate.com). Copy it.
4

Choose MFA forwarding type

The wizard presents two options:
  • Managed forwarding: Nectar provides a unique email address (for example, nectar-forward-to-your-company@nectarclimate.com). Update your WAVE account’s email address to this Nectar-provided address so codes are sent directly to us.
  • Customer-inbox forwarding (recommended): Keep your current email on WAVE, and set up an auto-forwarding rule in your email client to forward WAVE verification emails to the Nectar-provided address (for example, nectar-forward-to-your-company@nectarclimate.com).
This strategy might fail on corporate emails. Microsoft 365 and Google Workspace can block external auto-forwarding through tenant-wide policies. If forwarding is silently disabled, the connection returns to MFA Token Expired. If you’re on a managed work email and customer-inbox forwarding fails, try managed forwarding or uploading bills.
5

Set up email forwarding in your inbox

In the mailbox that receives WAVE verification codes, create a forwarding rule that sends messages from WAVE to the Nectar address from Step 2.
  • Sender / from: the WAVE sender addresses your account uses
  • Forward to: the Nectar address from Step 2
  • Keep a copy in the original inbox if you still want to see the codes
Common setup guides:
6

Confirm the forwarding address (if required)

Most email providers send a confirmation code to the forwarding address before enabling the rule. Nectar receives and confirms this automatically, usually within a few minutes.
7

Confirm the setup

Nectar triggers a test login. When the verification code is forwarded successfully, the connection moves to Connected.

Upload bills directly

If neither option is practical, consider uploading data directly into Nectar.

Troubleshooting