Most states will start a driving record for a person even if they do not yet have a driver's license if the person has violations that would be placed on a driver's history. So if your state started a driving record for your 15 year old and placed the minor in consumption violation on it then an insurance company will be able to see it once your teen receives their permit and/or license.

Alcohol offenses are typically taken very seriously by auto insurance companies. Having a driver who may operate a vehicle while being impaired can be considered quite a risk for insurance providers.

State insurance laws and insurance company guidelines differ but it is likely that your child's insurance rates will be affected if she is convicted of his citation for a minor in consumption (or minor in possession).

Auto Insurance for Young Drivers is an article you and your teen might find of interest.