Market Cap for MGE Energy (MGEE)
According to MGE Energy's latest reported financial statements, the company's latest reported market cap is $2.87B USD. Market capitalization is the total dollar value of all outstanding shares — shares outstanding × stock price — and the standard measure of a company's equity value. On this page, historical market cap snaps filing-period share counts to closing prices on or before each statement date (not intraday tick data).
Headline figure above is from the reporting period ending (reported ). Chart and table below cover the full reported history back to .
MGEE
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Latest period
$2.87B
YoY change
+0.4%
5Y CAGR
-0.6%
Peak year (2024)
$3.41B
Latest annual
$2.88B
Market Cap history chart for MGE Energy (MGEE) from 1985 to 2026
Market Cap history table for MGE Energy (MGEE) from 1985 to 2026
| Fiscal year | Period ended | Reported | Market Cap | YoY |
|---|---|---|---|---|
| 2026 | $2.88B | +0.4% | ||
| 2025 | $2.87B | -15.8% | ||
| 2024 | $3.41B | +30.1% | ||
| 2023 | $2.62B | +2.7% | ||
| 2022 | $2.55B | -14.4% | ||
| 2021 | $2.97B | +19.3% | ||
| 2020 | $2.49B | -8.7% | ||
| 2019 | $2.73B | +31.5% | ||
| 2018 | $2.08B | -5.0% | ||
| 2017 | $2.19B | -3.4% | ||
| 2016 | $2.26B | +40.7% | ||
| 2015 | $1.61B | +1.7% | ||
| 2014 | $1.58B | +18.5% | ||
| 2013 | $1.33B | +13.3% | ||
| 2012 | $1.18B | +8.9% | ||
| 2011 | $1.08B | +9.4% | ||
| 2010 | $988.47M | +19.9% | ||
| 2009 | $824.64M | +12.6% | ||
| 2008 | $732.50M | -4.1% | ||
| 2007 | $763.42M | +1.5% | ||
| 2006 | $752.33M | +8.5% | ||
| 2005 | $693.09M | +0.6% | ||
| 2004 | $688.86M | +22.4% | ||
| 2003 | $562.86M | +21.4% | ||
| 2002 | $463.50M | +4.2% | ||
| 2001 | $444.78M | +20.0% | ||
| 2000 | $370.56M | +14.0% | ||
| 1999 | $325.03M | -11.2% | ||
| 1998 | $366.06M | -0.9% | ||
| 1997 | $369.56M | +13.6% | ||
| 1996 | $325.23M | -13.1% | ||
| 1995 | $374.38M | +7.9% | ||
| 1994 | $346.84M | -3.8% | ||
| 1993 | $360.60M | +3.2% | ||
| 1992 | $349.55M | +6.5% | ||
| 1991 | $328.20M | +39.4% | ||
| 1990 | $235.47M | -3.0% | ||
| 1989 | $242.77M | +17.7% | ||
| 1988 | $206.26M | -3.8% | ||
| 1987 | $214.30M | -5.8% | ||
| 1986 | $227.49M | +28.2% | ||
| 1985 | $177.45M | — |
Market Cap values are taken from MGE Energy's reported income statements (10-Q quarterly and 10-K annual filings with the U.S. Securities and Exchange Commission). Each row shows the period end date and the date the filing was reported; YoY compares each figure to the same period one year earlier. Amounts are in USD as filed.
Analysis
MGE Energy (MGEE) most recent annual market cap stands at $2.88B (2026) – edged up 0.4% year-over-year.
Across 2021–2026 (5 years), MGE Energy market cap produced a CAGR of -0.6% – with a net decline across the window.
MGE Energy market cap declined from $3.41B in 2024 to $2.88B in 2026, a 15.4% drawdown.
The highest annual market cap of $3.41B was reported in 2024. The lowest in the available history was $177.45M in 1985.
Within Utilities, MGE Energy (MGEE) ranks 9th among 8 peers we track. The peer median for market cap is $97.46B.
MGE Energy Market Cap by Year
MGE Energy Market Cap 2026: $2.88B
MGE Energy market cap in 2026 was $2.88B, edged up 0.4% from 2025.
MGE Energy Market Cap 2025: $2.87B
MGE Energy market cap in 2025 was $2.87B, declined 15.8% below 2024.
MGE Energy Market Cap 2024: $3.41B
MGE Energy market cap in 2024 was $3.41B, surged 30.1% from 2023. This figure represents the highest annual value in the available history.
MGE Energy Market Cap 2023: $2.62B
MGE Energy market cap in 2023 was $2.62B, edged up 2.7% from 2022.
MGE Energy Market Cap 2022: $2.55B
MGE Energy market cap in 2022 was $2.55B.
See more financial history for MGE Energy (MGEE).
Sector peers — Market Cap
Companies in the same sector as MGE Energy, ranked by their latest market cap.
| Company | Market Cap | Sector |
|---|---|---|
| GE Vernova Inc. (GEV) | $292.62B | Utilities |
| NextEra Energy, Inc. (NEE) | $201.26B | Utilities |
| The Southern Company (SO) | $106.43B | Utilities |
| Duke Energy Corporation (DUK) | $99.46B | Utilities |
| Constellation Energy Corporation (CEG) | $95.47B | Utilities |
| American Electric Power Company, Inc. (AEP) | $73.70B | Utilities |
| Sempra (SRE) | $60.69B | Utilities |
| Dominion Energy, Inc. (D) | $55.28B | Utilities |
Frequently asked questions
What is MGE Energy's market cap?
- Latest reported market cap for MGE Energy (MGEE) is $2.87B (period ending December 31, 2025).
How has MGE Energy market cap changed year-over-year?
- MGE Energy (MGEE) market cap changed +0.4% year-over-year on the latest annual filing.
What is the long-term growth rate of MGE Energy market cap?
- MGE Energy (MGEE) market cap compound annual growth rate is -0.6% over the most recent 5 years available.
When did MGE Energy market cap hit its highest annual value?
- MGE Energy market cap reached its highest annual value of $3.41B in 2024.
What was MGE Energy market cap in 2025?
- MGE Energy (MGEE) market cap in 2025 was $2.87B.
What was MGE Energy market cap in 2026?
- MGE Energy (MGEE) market cap in 2026 was $2.88B.
Metrics overview
Pick a metric for charts, filings, and peers — each row shows the latest TTM or annual value with year-over-year change.
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