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Columbia Water & Light has been pursuing renewable energy sources since the mandate was passed by voter approval in 2004. In 2016, Columbia had 6.68% of the electric portfolio generated from renewable sources which exceeds the requirement for 2015 of 5%. The additional cost is 53.3% of what is allowed by the renewable energy ordinance.
In 2017, a new contract for additional wind energy was added to the renewable energy portfolio. An additional 27 megawatts of wind generation should produce around 70,000 megawatt hours of wind energy a year.
|Source||% of Supply||Cost/MWH||Type|
|Bluegrass Ridge wind||1.05%||$68.69||intermittent|
|Crystal Lake wind||2.38%||$45.96||intermittent|
|Jefferson City landfill gas||1.95%||$53.00||base load|
|Columbia landfill gas||1.17%||$63.72||base load|
|Free Power solar||0.03%||$54.95||intermittent|
|Columbia Water & Light solar||0.04%||$62.30||intermittent|
As outlined in the renewable energy ordinance, renewable energy cannot cause electric rates to increase more than 3% above what rates would be with non-renewable energy.
For calendar year 2016, the additional cost to address the renewable portfolio requirement was $1,747,329.20 and the limit was $3,477,855. The extra money spent on renewable energy was 50.2% of what was allowed according to the ordinance.
The city shall generate or purchase electricity generated from eligible renewable energy sources at the following levels:
The cost of the renewable energy mandated in the ordinance must not increase electric rates more than 3% higher than the electric rates attributed to the cost of electricity generated from 100% non-renewable sources. See the City of Columbia Code of Ordinances for the full text of the mandate.
NOTE: The renewable energy ordinance was revised by the Columbia City Council on January 6, 2014. The percentage of required renewable energy increased from 10% to 15% by 2018, from 15% to 25% by 2023 and set a new goal of 30% by 2029.
For more details, download our annual Renewable Energy Report