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Mid Cap
Electric Utilities
Stocks Ranked by
Market Capitalization

Name Market cap Price Price
change %
OGE icon
1
OGE Energy
OGE
$9.8B
$9.8B $47.53 1.02%
CIG.C icon
2
CEMIG Ordinary Shares
CIG.C
$9.7B
$9.7B $3.39 0%
IDA icon
3
Idacorp
IDA
$8B
$8B $138.30 1.07%
CIG icon
4
CEMIG Preferred Shares
CIG
$6.64B
$6.64B $2.32 1.31%
TXNM icon
5
TXNM Energy Inc
TXNM
$6.44B
$6.44B $58.52 0.05%
POR icon
6
Portland General Electric
POR
$5.19B
$5.19B $44.15 0.64%
NWE icon
7
NorthWestern Energy
NWE
$4.6B
$4.6B $74.72 1.18%
MGEE icon
8
MGE Energy Inc
MGEE
$2.73B
$2.73B $72.27 1.39%

Mid Cap Electric Utilities Stocks at a Glance

Electric utilities generate, transmit, and distribute power, mostly under regulated rate structures. Regulators set allowed returns on invested capital, so grid-investment programs drive earnings growth, and dividends anchor the total return.

There are 8 mid cap Electric Utilities stocks — companies in the Electric Utilities industry with a market cap between $2B and $10B — worth a combined $53.1B.

The largest by market cap are OGE Energy (OGE) at $9.8B, CEMIG Ordinary Shares (CIG.C) at $9.7B and Idacorp (IDA) at $8B.

Among institutional investors, OGE Energy (OGE) drew the most net new fund positions in Q2 2026: 76 funds opened new positions, taking total fund holders up 24 (3.9%) quarter-over-quarter.

  • Combined market cap: $53.1B across 8 stocks.
  • Mid Cap: market cap between $2B and $10B.
  • Largest constituent: OGE Energy (OGE), $9.8B market cap.
  • Most net new fund positions in Q2 2026: OGE Energy (OGE), +24 holders.

Market caps and prices updated daily; fund activity based on aggregated SEC 13F filings for Q2 2026.