Tax-loss harvesting alternatives for SO

Among the 24 Electric Utilities peers screened, DUK (Duke Energy) has tracked SO most closely over the past year, with a return correlation of 0.85. The strongest fund stand-in is IDU (iShares US Utilities ETF) at 0.76 over the past year. Correlations are computed from daily closing-price returns aligned by trading day.

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STOCKS

Single-name peers

Ticker	Name	Sub-industry	1Y	3Y	5Y	10Y
DUK	Duke Energy	Electric Utilities	0.85	0.83	0.84	0.83
LNT	Alliant Energy	Electric Utilities	0.77	0.77	0.80	0.82
ED	Consolidated Edison	Electric Utilities	0.74	0.77	0.79	0.80
EVRG	Evergy	Electric Utilities	0.72	0.72	0.77	0.77
XEL	Xcel Energy	Electric Utilities	0.71	0.68	0.74	0.77
AEP	American Electric Power	Electric Utilities	0.69	0.75	0.79	0.80
EXC	Exelon Corp.	Electric Utilities	0.69	0.71	0.73	0.76
FE	FirstEnergy	Electric Utilities	0.66	0.69	0.71	0.65
IDA	Idacorp	Electric Utilities	0.64	0.66	0.70	0.76
PPL	PPL Corporation	Electric Utilities	0.64	0.72	0.74	0.74
D	Dominion Energy	Electric Utilities	0.63	0.68	0.72	0.76
ETR	Entergy	Electric Utilities	0.62	0.59	0.68	0.76
PEG	Public Service Enterprise Group	Electric Utilities	0.62	0.54	0.64	0.67
POR	Portland General Electric	Electric Utilities	0.61	0.67	0.68	0.74
UTL	Unitil Corporation	Electric Utilities	0.58	0.53	0.54	0.61
MGEE	MGE Energy, Inc.	Electric Utilities	0.57	0.52	0.60	0.64
NEE	NextEra Energy	Electric Utilities	0.52	0.57	0.58	0.67
EIX	Edison International	Electric Utilities	0.50	0.47	0.56	0.58
PCG	PG&E Corp.	Electric Utilities	0.48	0.46	0.44	0.26
OTTR	Otter Tail Corporation	Electric Utilities	0.40	0.28	0.36	0.55
HE	Hawaiian Electric Industries, Inc.	Electric Utilities	0.28	0.23	0.27	0.39
TXNM	TXNM Energy	Electric Utilities	0.20	0.31	0.32	0.56
CEG	Constellation Energy	Electric Utilities	0.08	-0.00	0.11	—
VST	Vistra Corp.	Electric Utilities	0.04	-0.02	0.10	0.21

ETFS

Fund stand-ins

An ETF is generally not 'substantially identical' to a single stock, which is why funds are the standard wash-sale-aware replacement.

Ticker	Name	Focus	Match	1Y	3Y	5Y	10Y
IDU	iShares US Utilities ETF	Utilities Sector	SECTOR	0.76	0.76	0.81	0.87
XLU	Utilities Select Sector SPDR	Utilities Sector	SECTOR	0.75	0.75	0.81	0.87
FUTY	Fidelity MSCI Utilities ETF	Utilities Sector	SECTOR	0.74	0.75	0.81	0.87
VPU	Vanguard Utilities ETF	Utilities Sector	SECTOR	0.73	0.75	0.81	0.87
IWM	iShares Russell 2000	Small-Cap	BROAD	-0.05	0.07	0.18	0.33
ICLN	iShares Global Clean Energy	Clean Energy	INDUSTRY	-0.15	0.10	0.18	0.29
TAN	Invesco Solar ETF	Solar Energy	SUB-IND	-0.16	0.05	0.11	0.20
VTI	Vanguard Total Stock Market	Total US Market	BROAD	-0.17	0.02	0.20	0.40
SPY	SPDR S&P 500 ETF	S&P 500	BROAD	-0.18	0.01	0.21	0.41
IVV	iShares Core S&P 500	S&P 500	BROAD	-0.18	0.02	0.21	0.42
VOO	Vanguard S&P 500 ETF	S&P 500	BROAD	-0.19	0.01	0.21	0.42
QCLN	First Trust NASDAQ Clean Edge	Clean Energy	INDUSTRY	-0.19	-0.02	0.06	0.18

NEXT STEPS

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Replacement research for SO's peers

DUK LNT ED EVRG XEL AEP EXC FE IDA PPL D ETR PEG POR UTL MGEE NEE EIX PCG OTTR HE TXNM CEG VST

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Method: Pearson correlation of daily closing-price returns, Yahoo Finance data, series aligned by trading day, refreshed weekly. A cell is blank when overlapping history covers less than 60% of its window. Correlation is descriptive, not predictive. Wash-sale treatment depends on facts and circumstances — confirm with a tax professional. Not investment advice.