Translation of "Umlage" in English

"Dann müsst ihr EEG-Umlage zahlen!"

"Then you have to pay the EEG surcharge!"

Dann kommen zu den 10-14 Cent noch mal 6,5 Cent EEG-Umlage drauf.

Then there is another 6.5 cents EEG surcharge on top of the 10-14 cents.