Monday, October 20, 2014

Impacts to APS

The Arizona Public Service released its 2014 Integrated Resource Plan. The APS plan does not take into account the recent EPA Clean Power Plan, so it will be interesting to see how APS' plan may change after compliance.

APS projects the generation mix to change to using more natural gas, renewable energy, and energy efficiency. Coal increases slightly but not significantly.
Source: APS 2014 Integrated Resource Plan
It seems that APS is also going to invest in more transmission and the electricity gird with investments near $500 million for both. Energy investments are nearly $14 billion for the Selected Portfolio.
Source: APS 2014 Integrated Resource Plan
After reviewing the 'Selected Portfolio', APS projects to use the same amount of coal, while modernizing the Ocotillo Power Plant in Temple, AZ. APS will also use more renewable energy with the Selected Portfolio as shown below.
Source: APS 2014 Integrated Resource Plan

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