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TrustPower is New Zealand 's fifth largest electricity generator ( in terms of MW capacity , GWh output and revenue ) and the fourth largest electricity retailer ( in customer numbers ) , serving 260,000 customers throughout New Zealand .
 TrustPower, Zealand, Zealand
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 TrustPower, Zealand, Zealand