| 2007 | Total Purchased Electricity Consumption | 24,916,037 | kWh |
| 2008 | Total Purchased Electricity Consumption | 7,554,817 | kWh |
| 2009 | Total Purchased Electricity Consumption | 8,224,112 | kWh |
| 2010 | Total Purchased Electricity Consumption | 10,553,741 | kWh |
| 2011 | Total Purchased Electricity Consumption | 12,373,709 | kWh |
| 2012 | Total Purchased Electricity Consumption | 8,941,235 | kWh |
| 2013 | Total Purchased Electricity Consumption | 8,871,031 | kWh |
| 2013 | Voluntary unbundled RECs Purchased | 1,596,786 | kWh |
| 2013 | Voluntary unbundled RECs Verification | Green-e | |
| 2014 | Total Purchased Electricity Consumption | 8,866,544 | kWh |
| 2014 | Voluntary unbundled RECs Purchased | 1,595,978 | kWh |
| 2014 | Voluntary unbundled RECs Verification | Green-e | |
| 2015 | Total Purchased Electricity Consumption | 11,428,490 | kWh |
| 2015 | Voluntary unbundled RECs Purchased | 11,428,490 | kWh |
| 2015 | Voluntary unbundled RECs Verification | Green-e | |
| 2016 | Total Purchased Electricity Consumption | 12,263,204 | kWh |
| 2016 | Voluntary unbundled RECs Purchased | 12,263,204 | kWh |
| 2016 | Voluntary unbundled RECs Verification | Green-e | |
| 2017 | Total Purchased Electricity Consumption | 10,293,567 | kWh |
| 2017 | Voluntary unbundled RECs Purchased | 10,293,567 | kWh |
| 2017 | Voluntary unbundled RECs Verification | Green-e | |
| 2018 | Total Purchased Electricity Consumption | 10,545,055 | kWh |
| 2018 | Voluntary unbundled RECs Purchased | 10,545,055 | kWh |
| 2018 | Voluntary unbundled RECs Verification | Green-e | |
| 2019 | Total Purchased Electricity Consumption | 9,729,419 | kWh |
| 2019 | Solar Retained | 39,660 | kWh |
| 2019 | Voluntary unbundled RECs Purchased | 9,729,419 | kWh |
| 2019 | Voluntary unbundled RECs Verification | Green-e | |
| 2020 | Total Purchased Electricity Consumption | 1,848,269 | kWh |
| 2020 | Solar Retained | 39,660 | kWh |
| 2020 | Voluntary unbundled RECs Purchased | 1,848,269 | kWh |
| 2020 | Voluntary unbundled RECs Verification | Not verified | |
| 2021 | Total Purchased Electricity Consumption | 9,910,187 | kWh |
| 2021 | Solar Retained | 39,000 | kWh |
| 2021 | Voluntary unbundled RECs Purchased | 9,910,190 | kWh |
| 2021 | Voluntary unbundled RECs Verification | Green-e | |
| 2022 | Total Purchased Electricity Consumption | 17,451,663 | kWh |
| 2022 | Solar Retained | 41,240 | kWh |
| 2023 | Total Purchased Electricity Consumption | 13,068,185 | kWh |
| 2023 | Solar Retained | 407,816 | kWh |