Mercury Energy
Mercury Energy (owned by Mighty River Power) is New Zealand's worst climate offending electricity company - mainly because MRP is planning New Zealand's first coal fired power station in 25 years - Marsden B.
Meridian
Meridian Energy is ranked as the cleanest energy company in terms of climate change. Meridian uses only renewable sources to generate electricity and is the only company committed to using only renewable sources in the future.
Bay of Plenty Electricity
53% of BOP's current capacity is gas. Gas, while not as polluting as coal and oil, emits carbon dioxide - the main greenhouse gas that causes climate change. BOP has no stated policy on renewable generation.
TrustPower
TrustPower is ranked as the second cleanest energy choice because it currently generates electricity using 100% renewable sources, but it hasn't ruled out using fossil fuels in the future.
Empower
Empower is a subsidiary of Contact Energy. 59% of Contact's current capacity is gas. Gas is not as polluting as coal but still emits carbon dioxide, the main greenhouse gas. Contact is planning more gas-fired power stations.
Energy Online
Energy online is a subsidiary of Genesis who own Huntly coal fired power station which belches out millions of tonnes of carbon dioxide each year and other nasties like mercury, dioxin and arsenic.
Genesis
Genesis owns and operates New Zealand's only coal fired power station at Huntly. This facility belches out millions of tonnes of carbon dioxide each year and other nasties like mercury, dioxin and arsenic.
King Country Energy
King Country Energy currently has only hydro generation but it has no stated policy on future generation options and failed to answer our questionnaire, so it falls into the orange category.
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