Application of Spritz Encryption in Smart Meters to Protect Consumer Data

Table 1

Comparison of various privacy enhancing techniques.

Technique	Power loss introduced	Computational overhead introduced to grid	Communication overhead introduced	Trusted third party needed?	Can utility company access data?
Battery load hiding (BLH)	Yes	No	No	No	No
Solar PV convertor	Yes	No	No	No	No
Anonymization	No	Yes	Yes	Yes	No
Homomorphic encryption	No	Yes	Yes	Yes	No
End-to-end encryption	No	Yes	Yes	No	Yes