"We have had the owners of the property identify their items today, which has been a great relief to them and to us," Mr Pritchard said.
Arrests were pending regarding that property.
A 30-year-old Napier man is facing charges of possession of cannabis, after his home in Onekawa was searched.
Mr Pritchard said a common theme was emerging of power supplies being illegally modified to bypass power meters.
"This is happening more and more as growers move towards indoor growing operations.
"There is a substantial penalty for these types of offences and we will not hesitate to prosecute anyone we find stealing power in this way."
He said the raids were a classic example of how drugs and other types of crime were closely connected.
"People are stealing items to get money for drugs - which is nothing new - but it shows that drugs have a direct link with other crime in our communities.
"We need people to speak up about any suspicious behaviour in their neighbourhood and to let us know if they are aware of any drug activity."