Montana Electricity Price Changelog
Month-over-month changes in the Montana average residential electricity price (¢/kWh), derived from Energy Information Administration (EIA) data. Dataset last updated Jul 7, 2026 (UTC). The EIA publishes monthly data with a reporting lag, so the latest entry reflects April 2026 activity. · Methodology
U.S. price changelog · Montana price history · Montana rates
Each row is one month: the average price and the change versus the prior month (absolute ¢/kWh and percent). The most recent months are always shown; older months appear only when the move was notable (≥3% or ≥0.5¢).
| Month | Avg price (¢/kWh) | MoM change |
|---|---|---|
| April 2026 · notable | 13.90 | +0.42¢ (+3.1%) |
| March 2026 | 13.48 | +0.15¢ (+1.1%) |
| February 2026 · notable | 13.33 | +0.47¢ (+3.7%) |
| January 2026 | 12.86 | +0.09¢ (+0.7%) |
| December 2025 | 12.77 | −0.05¢ (−0.4%) |
| November 2025 · notable | 12.82 | −1.45¢ (−10.2%) |
| October 2025 | 14.27 | −0.37¢ (−2.5%) |
| September 2025 | 14.64 | +0.36¢ (+2.5%) |
| August 2025 | 14.28 | +0.01¢ (+0.1%) |
| July 2025 · notable | 14.27 | −0.54¢ (−3.6%) |
| June 2025 · notable | 14.81 | +1.93¢ (+15.0%) |
| May 2025 · notable | 12.88 | +0.57¢ (+4.6%) |
| April 2025 · notable | 12.31 | +0.38¢ (+3.2%) |
| March 2025 | 11.93 | +0.33¢ (+2.8%) |
| February 2025 | 11.60 | +0.22¢ (+1.9%) |
| January 2025 · notable | 11.38 | −0.50¢ (−4.2%) |
| December 2024 · notable | 11.88 | −0.63¢ (−5.0%) |
| November 2024 · notable | 12.51 | −0.81¢ (−6.1%) |
| October 2024 | 13.32 | −0.13¢ (−1.0%) |
| September 2024 | 13.45 | +0.17¢ (+1.3%) |
| August 2024 | 13.28 | −0.14¢ (−1.0%) |
| July 2024 | 13.42 | −0.14¢ (−1.0%) |
| June 2024 | 13.56 | +0.32¢ (+2.4%) |
| May 2024 · notable | 13.24 | +0.74¢ (+5.9%) |
| January 2024 · notable | 11.97 | −0.61¢ (−4.8%) |
| May 2023 · notable | 12.79 | +0.53¢ (+4.3%) |
| December 2022 · notable | 11.77 | −0.46¢ (−3.8%) |
| October 2022 · notable | 12.42 | +0.72¢ (+6.2%) |
| June 2022 · notable | 11.56 | +0.39¢ (+3.5%) |
| March 2022 · notable | 10.71 | +0.33¢ (+3.2%) |
| January 2022 · notable | 10.63 | −0.49¢ (−4.4%) |
| November 2020 · notable | 10.98 | −0.57¢ (−4.9%) |
| May 2020 · notable | 11.39 | +0.41¢ (+3.7%) |
| October 2019 · notable | 11.45 | −0.35¢ (−3.0%) |
| June 2019 · notable | 11.78 | +0.37¢ (+3.2%) |
| May 2019 · notable | 11.41 | +0.41¢ (+3.7%) |
| April 2019 · notable | 11.00 | +0.44¢ (+4.2%) |
| November 2018 · notable | 10.85 | −0.39¢ (−3.5%) |
| June 2018 · notable | 11.58 | +0.37¢ (+3.3%) |
| May 2018 · notable | 11.21 | +0.39¢ (+3.6%) |
| June 2017 · notable | 11.53 | +0.39¢ (+3.5%) |
| December 2016 · notable | 10.54 | −0.41¢ (−3.7%) |
| May 2016 · notable | 11.31 | +0.36¢ (+3.3%) |
| March 2016 · notable | 10.81 | +0.42¢ (+4.0%) |
| December 2015 · notable | 10.35 | −0.44¢ (−4.1%) |
| November 2015 · notable | 10.79 | −0.40¢ (−3.6%) |
| May 2015 · notable | 11.18 | +0.33¢ (+3.0%) |
| March 2015 · notable | 10.57 | +0.31¢ (+3.0%) |
| February 2015 · notable | 10.26 | −0.41¢ (−3.8%) |
| January 2015 · notable | 10.67 | +1.00¢ (+10.3%) |
| December 2014 · notable | 9.67 | −0.58¢ (−5.7%) |
| November 2014 · notable | 10.25 | −0.47¢ (−4.4%) |
| June 2014 · notable | 10.60 | +0.40¢ (+3.9%) |
| May 2014 · notable | 10.20 | +0.31¢ (+3.1%) |
| November 2013 · notable | 10.23 | −0.42¢ (−3.9%) |
| October 2013 · notable | 10.65 | −0.37¢ (−3.4%) |
| June 2013 · notable | 11.00 | +0.60¢ (+5.8%) |
| November 2012 · notable | 10.04 | −0.50¢ (−4.7%) |
| June 2012 · notable | 10.43 | +0.30¢ (+3.0%) |
| November 2011 · notable | 9.80 | −0.46¢ (−4.5%) |
| June 2011 · notable | 10.15 | +0.38¢ (+3.9%) |
| December 2010 · notable | 8.95 | −0.44¢ (−4.7%) |
| November 2010 · notable | 9.39 | −0.30¢ (−3.1%) |
| July 2010 · notable | 9.74 | +0.32¢ (+3.4%) |
| May 2010 · notable | 9.16 | +0.28¢ (+3.2%) |
| November 2009 · notable | 8.87 | −0.28¢ (−3.1%) |
| August 2009 · notable | 9.28 | −0.30¢ (−3.1%) |
| June 2009 · notable | 9.49 | +0.45¢ (+5.0%) |
| May 2009 · notable | 9.04 | +0.31¢ (+3.6%) |
| December 2008 · notable | 8.69 | −0.29¢ (−3.2%) |
| November 2008 · notable | 8.98 | −0.38¢ (−4.1%) |
| October 2008 · notable | 9.36 | −0.42¢ (−4.3%) |
| June 2008 · notable | 9.72 | +0.35¢ (+3.7%) |
| May 2008 · notable | 9.37 | +0.47¢ (+5.3%) |
| March 2008 · notable | 8.80 | +0.29¢ (+3.4%) |
| November 2007 · notable | 8.42 | −0.71¢ (−7.8%) |
| August 2007 · notable | 9.12 | −0.28¢ (−3.0%) |
| June 2007 · notable | 9.44 | +0.52¢ (+5.8%) |
| March 2007 · notable | 8.56 | +0.35¢ (+4.3%) |
| November 2006 · notable | 8.45 | −0.38¢ (−4.3%) |
| September 2006 · notable | 8.83 | +0.42¢ (+5.0%) |
| May 2006 · notable | 8.25 | +0.26¢ (+3.3%) |
| March 2006 · notable | 7.93 | −0.41¢ (−4.9%) |
| February 2006 · notable | 8.34 | +0.64¢ (+8.3%) |
| December 2005 · notable | 7.92 | −0.48¢ (−5.7%) |
| October 2005 · notable | 8.33 | −0.30¢ (−3.5%) |
| May 2005 · notable | 8.40 | +0.42¢ (+5.3%) |
| April 2005 · notable | 7.98 | +0.24¢ (+3.1%) |
| January 2005 · notable | 7.37 | −0.35¢ (−4.5%) |
| October 2004 · notable | 8.09 | −0.35¢ (−4.1%) |
| June 2004 · notable | 8.34 | +0.28¢ (+3.5%) |
| May 2004 · notable | 8.06 | +0.27¢ (+3.5%) |
| March 2004 · notable | 7.66 | +0.52¢ (+7.3%) |
| December 2003 · notable | 7.31 | −0.29¢ (−3.8%) |
| November 2003 · notable | 7.60 | −0.41¢ (−5.1%) |
| August 2003 · notable | 8.30 | +0.27¢ (+3.4%) |
| July 2003 · notable | 8.03 | +0.24¢ (+3.1%) |
| June 2003 · notable | 7.79 | +0.29¢ (+3.9%) |
| April 2003 · notable | 7.31 | +0.24¢ (+3.4%) |
| November 2002 · notable | 7.25 | −0.38¢ (−5.0%) |
| July 2002 · notable | 7.68 | +0.33¢ (+4.5%) |
| June 2002 · notable | 7.35 | +0.27¢ (+3.8%) |
| June 2001 · notable | 7.20 | +0.26¢ (+3.7%) |
| May 2001 · notable | 6.94 | +0.63¢ (+10.0%) |