Electric Services stocks: intrinsic value, ROIC & growth
36 U.S. electric services companies with at least three years of SEC filings, ranked by size. 13 of the 26 with a current price trade below their Graham intrinsic value. The median company earned a 5.4% average return on invested capital and grew revenue 4.5% a year.
Updated October 18, 2026
36companies
13below Graham value
5.4%median 10-yr ROIC
4.5%median revenue CAGR
Most undervalued electric services stocks
| Ticker | Company | Upside | Price | Graham value | Price vs value | Market cap | ROIC (10y) | Revenue CAGR |
|---|---|---|---|---|---|---|---|---|
| OTTR | Otter Tail Corp | +141% | $90.13 | $217.56 | 59% below | $3.8B | 11.0% | 5.5% |
| AEP | American Electric Power | +74% | $127.14 | $221.22 | 43% below | $68.3B | 5.8% | 3.2% |
| BKH | BLACK HILLS CORP /SD/ | +51% | $76.63 | $115.58 | 34% below | $5.6B | 6.1% | 4.5% |
| NRG | NRG Energy | +28% | $103.75 | $133.19 | 22% below | $20.6B | 11.3% | 10.5% |
| ETR | Entergy | +24% | $105.11 | $129.87 | 19% below | $47.3B | 4.0% | 2.0% |
| ES | Eversource Energy | +8% | $66.85 | $72.15 | 7% below | $24.8B | 5.4% | 6.5% |
Highest-ROIC electric services stocks
| Ticker | Company | 10-yr ROIC | Price | Graham value | Price vs value | Market cap | ROIC (10y) | Revenue CAGR |
|---|---|---|---|---|---|---|---|---|
| NRG | NRG Energy | 11.3% | $103.75 | $133.19 | 22% below | $20.6B | 11.3% | 10.5% |
| OTTR | Otter Tail Corp | 11.0% | $90.13 | $217.56 | 59% below | $3.8B | 11.0% | 5.5% |
| WELPP | WISCONSIN ELECTRIC POWER CO | 6.7% | $62.02 | — | — | — | 6.7% | 1.9% |
| DTE | DTE Energy | 6.4% | $129.73 | $103.23 | 26% above | $26.9B | 6.4% | -38.5% |
| IDA | IDACORP INC | 6.2% | $138.30 | $89.99 | 54% above | $7.6B | 6.2% | 4.1% |
| NEE | NextEra Energy | 6.2% | $79.80 | $69.75 | 14% above | $165.2B | 6.2% | 5.3% |
| BKH | BLACK HILLS CORP /SD/ | 6.1% | $76.63 | $115.58 | 34% below | $5.6B | 6.1% | 4.5% |
| PPL | PPL Corporation | 6.1% | $35.17 | — | — | $26.1B | 6.1% | 2.2% |
| AEP | American Electric Power | 5.8% | $127.14 | $221.22 | 43% below | $68.3B | 5.8% | 3.2% |
| PNW | Pinnacle West Capital | 5.8% | $103.42 | $61.17 | 69% above | $12.6B | 5.8% | 4.8% |
All electric services stocks
| Ticker | Company | Price | Graham value | Price vs value | Market cap | ROIC (10y) | Revenue CAGR |
|---|---|---|---|---|---|---|---|
| NEE | NextEra Energy | $79.80 | $69.75 | 14% above | $165.2B | 6.2% | 5.3% |
| SO | Southern Company | $91.18 | $61.82 | 47% above | $101.1B | 5.8% | 4.2% |
| CEG | Constellation Energy | $271.37 | $139.69 | 94% above | $85.2B | 6.6% | 6.7% |
| AEP | American Electric Power | $127.14 | $221.22 | 43% below | $68.3B | 5.8% | 3.2% |
| D | Dominion Energy | $63.56 | $25.48 | 149% above | $54.4B | 4.7% | 3.9% |
| VST | Vistra Corp. | $152.02 | $26.07 | 483% above | $52.5B | 4.8% | 15.8% |
| ETR | Entergy | $105.11 | $129.87 | 19% below | $47.3B | 4.0% | 2.0% |
| DTE | DTE Energy | $129.73 | $103.23 | 26% above | $26.9B | 6.4% | -38.5% |
| FE | FirstEnergy | $46.19 | $7.62 | 506% above | $26.7B | 2.5% | 0.4% |
| CNP | CenterPoint Energy | $40.55 | $26.53 | 53% above | $26.6B | 5.5% | 5.6% |
| PPL | PPL Corporation | $35.17 | — | — | $26.1B | 6.1% | 2.2% |
| ES | Eversource Energy | $66.85 | $72.15 | 7% below | $24.8B | 5.4% | 6.5% |
| EIX | Edison International | $55.93 | $335.81 | 83% below | $21.6B | 4.8% | 5.6% |
| NRG | NRG Energy | $103.75 | $133.19 | 22% below | $20.6B | 11.3% | 10.5% |
| TLN | Talen Energy Corp | $354.81 | $586.92 | 40% below | $16.2B | -7.5% | 25.0% |
| PNW | Pinnacle West Capital | $103.42 | $61.17 | 69% above | $12.6B | 5.8% | 4.8% |
| WELPP | WISCONSIN ELECTRIC POWER CO | $62.02 | — | — | — | 6.7% | 1.9% |
| IDA | IDACORP INC | $138.30 | $89.99 | 54% above | $7.6B | 6.2% | 4.1% |
| TXNM | TXNM ENERGY INC | $58.52 | $11.24 | 421% above | $6.0B | 4.6% | 5.9% |
| BKH | BLACK HILLS CORP /SD/ | $76.63 | $115.58 | 34% below | $5.6B | 6.1% | 4.5% |
| ORA | ORMAT TECHNOLOGIES, INC. | $89.31 | $17.81 | 401% above | $5.5B | 5.2% | 4.6% |
| NSARO | NSTAR ELECTRIC CO | $75.90 | — | — | — | 7.4% | -1.5% |
| NSARP | NSTAR ELECTRIC CO | $66.00 | — | — | — | 7.4% | -1.5% |
| POR | PORTLAND GENERAL ELECTRIC CO /OR/ | $44.15 | $33.70 | 31% above | $4.9B | 5.5% | 7.1% |
| OTTR | Otter Tail Corp | $90.13 | $217.56 | 59% below | $3.8B | 11.0% | 5.5% |
| HE | HAWAIIAN ELECTRIC INDUSTRIES INC | $8.58 | — | — | $1.5B | 2.9% | 2.9% |
| CWEN | Clearway Energy, Inc. | $29.93 | $160.38 | 81% below | $1.0B | 2.9% | 3.8% |
| XIFR | XPLR Infrastructure, LP | $9.94 | $34.51 | 71% below | $933.4M | 1.5% | 4.9% |
| HNRG | HALLADOR ENERGY CO | $11.71 | $31.89 | 63% below | $508.6M | -2.4% | 5.8% |
| NNE | Nano Nuclear Energy Inc. | $12.88 | — | — | $488.3M | -273.9% | — |
| OPTT | Ocean Power Technologies, Inc. | $0.61 | — | — | $118.7M | -624.5% | -2.0% |
| SPRU | SPRUCE POWER HOLDING CORP | $1.31 | $6.31 | 79% below | $23.7M | -59.8% | 57.9% |
| FISN | DEEP FISSION, INC. | $3.45 | — | — | $17.3M | -82.1% | — |
| BESS | Bimergen Energy Corp | $2.21 | $129.19 | 98% below | $9.9M | -8.5% | -71.7% |
| TVC | Tennessee Valley Authority | $23.83 | — | — | — | — | 3.1% |
| TVE | Tennessee Valley Authority | $23.31 | — | — | — | — | 3.1% |
Stock lists
Undervalued Stocks Below Graham Intrinsic Value
Highest ROIC Stocks (10-Year Average)
Highest Free Cash Flow Yield Stocks
Fastest-Growing Stocks by 10-Year Revenue