Delmarva Power: rates, outages and net metering

Delmarva Power is an investor owned utility serving 339,588 customer accounts in Delaware; 301,950 of them are residential. Its SAIDI of 68 minutes is 0.68 times the national median reporter (99).

Delmarva Power Cheswold Substation. Photo by Tonyglen14, CC BY 2.0, Wikimedia Commons. Illustrative, not a listed utility's plant.

Delmarva Power: 880 kWh a month costs roughly $144 in energy at 16.37 ¢/kWh, -1.2% on the Delaware average of 16.57 ¢.

Its SAIDI of 68 minutes is 0.68 times the national median reporter (99).

Delmarva Power: outage minutes

SAIDI against national median: 0.68x68 minutes against 99

Reliability is the sharpest contrast for Delmarva Power: 68 minutes a year without power per customer, 0.68 times the national median of 99. Among 2 Delaware utilities that report SAIDI it ranks 2 (1 = fewest minutes); the Delaware median is 68.

SAIFI adds the frequency view: 0.65 interruptions a customer a year, 0.64 times the national median (1.01), with 105 minutes per interruption.

How it compares

Delmarva Power
Delmarva Power, 2024	Home	Business	Bill	SAIDI
Delmarva Power	16.37 ¢/kWh	6.20 ¢/kWh	$144at 880 kWh	68 minSAIDI
Delaware average against this company, which is 3 of 3 on price	+0.20 ¢/kWhcompany 1.2% below	+6.00 ¢/kWhcompany 49.2% below	+$2a month at 880 kWh	+0 mincompany 0 below
Delaware Electric CooperativeLowest in this table	14.22 ¢/kWhcompany 15.1% above	13.85 ¢/kWhcompany 55.3% below	$12519 less than company	61 mincompany 7 above

Compare 6 Delaware companies

Delmarva Power: 2025

No 2025 early-release row for Delmarva Power; 2024 stays the latest year.

Delmarva Power 2024 against Delaware 2025: -0.76 ¢16.37 ¢ for Delmarva Power in 2024, 17.13 ¢ for Delaware in 2025

No 2025 line exists yet for Delmarva Power, so 16.37 ¢/kWh and a SAIDI of 68 minutes (2024, 301,950 homes) are the latest figures.

Carbon context

Delmarva Power serves 301,950 homes in Delaware. At 880 kWh a month that is about 281 kg of CO₂, or 3,369 kg a year, at the Delaware plant rate, state generation and not this utility: Delaware generation mix.

Delmarva Power charts

Residential price since 2015: 16.37 ¢ in 2024

12.73 ¢ in 2015, 16.37 ¢ in 2024 (+28.6%); Delaware 13.42 to 16.57 ¢.

Delmarva Power residential price 2015-2024, 2015 to 2024: 10 rows

Year	Delmarva Power	Gap to Delaware residential	Gap to U.S. residential
2015	12.73	-0.69	+0.08
2016	12.72	-0.70	+0.17
2017	12.84	-0.51	-0.05
2018	11.81	-0.72	-1.06
2019	11.71	-0.84	-1.30
2020	11.61	-0.95	-1.54
2021	11.77	-0.75	-1.89
2022	12.75	-0.96	-2.29
2023	14.98	-0.75	-1.02
2024	16.37	-0.20	-0.11

10 rows from EIA retail sales.

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Delmarva Power SAIDI, 2015-2024

118 min in 2015, 68 in 2024.

Delmarva Power SAIDI by year, 2015 to 2024: 10 rows

Year	Delmarva Power, no major events	Delmarva Power, all events
2015	118	213
2016	101	158
2017	79	179
2018	71	141
2019	72	106
2020	77	272
2021	61	61
2022	65	78
2023	60	122
2024	68	127

10 rows from EIA-861 survey.

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Reliability: SAIDI 68.0 min

68.0 min, 0.68x the median reporter, rank 230 of 673.

min

Company, no major events68.0
Company, with major events127.0

Delmarva Power, Reliability: EIA-861 survey.

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Analyst note

From 12.73 ¢ in 2015 to 16.37 ¢ in 2024, a move of +28.6%: Delmarva Power outpaced its state (+23.5%) by 5.1 points, and -1.7 points against the U.S. Full-service customers alone pay 17.23 ¢ per EIA, against 16.37 ¢ for all rows: buyers of energy elsewhere pay Delmarva Power for delivery only. Delmarva Power's sharpest move came in 2023, +17.5%. The latest year is the high at 16.37 ¢; the low was 11.61 ¢ (2020). 2024: +9.3% here, +5.3% for the Delaware average. SAIDI at Delmarva Power (major events excluded) fell from 118 minutes in 2015 to 68 in 2024, -42%; best year 2023 at 60. Delmarva Power filed SAIDI under the national median in 9 of 10 years; its 2024 figure was 68 minutes, -31 from that year's median. 2020: 272 minutes with major events, 77 without, the widest gap of any year. Delmarva Power has 2 cheaper and 0 higher-priced Delaware peers among 3 with 20,000+ homes. Next cheaper, City of Dover, bills 15.52 ¢ (-0.85).

Rates sit within 1.2% of the Delaware average, and 68 outage minutes beat the national median by 32%, a quiet profile with little to flag.

Home accounts at Delmarva Power went from 274,557 in 2015 to 301,950 in 2024, +10.0%. Business customers paid 0.38 times the home price in 2024 (6.20 against 16.37 ¢); the ratio was 0.38 in 2015. SAIFI went from 1.24 in 2015 to 0.65 in 2024, between 0.57 and 1.24.

Outages and home price of Delmarva Power (EIA utility 5027), 2013 to 2024

By 2024 the average Delmarva Power customer sat through 68 minutes of outage, against 140 in 2013 (−51%). The low came in 2023 at 60, the high in 2013 at 140; 12 years were filed. The Delaware median in 2024 was 68 minutes, so Delmarva Power ran level with it.

Home rates at Delmarva Power went from 12.72 ¢ in 2013 to 16.37 ¢ in 2024 (+28.7%), which is 17.59 ¢ to 16.80 ¢ in 2025 dollars (−4.5%). Over 12,000 kWh a year the real price meant $2,110 in 2013 and $2,016 in 2024. Of 8 Delaware utilities with 1,000+ home accounts in 2024, Delmarva Power stood 5th cheapest (2nd of 11 in 2013).

Delmarva Power outage minutes a customer, 2013 to 2024: 68 in 2024

Delmarva Power at 68 min in 2024 and the Delaware median at 68.

Delmarva Power home price since 2013: −4.5% after inflation

Delmarva Power: 16.80 ¢ in 2025 dollars (solid) and 16.37 ¢ as billed (dashed) in 2024.

Delmarva Power, EIA utility 5027, year by year among Delaware utilities

Delmarva Power 2013-2024: 12 rows

Year, Delmarva Power	¢ billed	¢ in 2025 $	Price place, Delmarva Power	SAIDI min	SAIFI	SAIDI place, Delmarva Power	Delaware median SAIDI
2013	12.72	17.59	2 of 11	140	1.29	–	94
2014	12.69	17.26	3 of 11	105	0.98	–	105
2015	12.73	17.30	2 of 11	118	1.24	–	109
2016	12.72	17.06	3 of 12	101	0.99	–	101
2017	12.84	16.87	4 of 11	79	0.82	–	79
2018	11.81	15.14	2 of 11	71	0.70	–	71
2019	11.71	14.75	1 of 12	72	0.74	–	72
2020	11.61	14.44	1 of 8	77	0.75	–	103
2021	11.77	13.98	2 of 8	61	0.82	–	61
2022	12.75	14.02	1 of 8	65	0.65	–	65
2023	14.98	15.83	4 of 8	60	0.57	–	60
2024	16.37	16.80	5 of 8	68	0.65	–	68

Delmarva Power, EIA utility 5027: EIA-861, CPI-U.

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SAIDI explained, Delaware real prices.

Facts

Customer accounts: 339,58863.4% of Delaware total
Residential accounts: 301,95063.8% of Delaware homes
Commercial accounts: 37,53011.1% of the base
Residential rate: 16.37 ¢/kWhplace 3 of 3, -1.2% against the state
Commercial rate: 6.20 ¢/kWhplace 1 of 5, -49.2% against the state
SAIDI, no major events: 68.0 minbetter than 66% of reporters
SAIFI, no major events: 0.650.64x the median
SAIDI with major events: 127.0 min46.5% from event days
Net-metered capacity: 110.1 MW10,329 installations
Counties served: 3Delaware plus 1 more
Average residential use: 10,561 kWh/yr880 a month
Implied monthly bill: $144-$1 on the U.S. rate, 880 kWh
Residential rate since 2015: +28.6%12.73 to 16.37 ¢/kWh
SAIDI trend: -42%118 min in 2015, 68 in 2024

Data tables

2024 by sector, Delmarva Power

Delmarva Power sector	Accounts	Rate ¢/kWh	Gap to Delaware ¢/kWh
Residential	301,950	16.37	-0.20
Commercial	37,530	6.20	-6.00

Year by year, Delmarva Power

Year	Home accounts, Delmarva Power	Home ¢	Business ¢	Ratio	SAIDI	SAIFI
2015	274,557	12.73	4.89	0.38	118	1.24
2016	277,835	12.72	4.73	0.37	101	0.99
2017	280,473	12.84	4.70	0.37	79	0.82
2018	283,583	11.81	4.60	0.39	71	0.70
2019	286,569	11.71	4.55	0.39	72	0.74
2020	289,960	11.61	4.41	0.38	77	0.75
2021	293,095	11.77	4.69	0.40	61	0.82
2022	296,170	12.75	5.95	0.47	65	0.65
2023	299,136	14.98	6.26	0.42	60	0.57
2024	301,950	16.37	6.20	0.38	68	0.65

Peers of Delmarva Power in Delaware, place 3 of 3 on home price

Utility near Delmarva Power on price	SAIDI min, gap to Delmarva Power	Home ¢, gap to Delmarva Power	Gap % to Delmarva Power	Accounts, Delmarva Power = 1
1. Delaware Electric Cooperative	-7	-2.15	-13.1%	0.35
2. City of Dover	No data	-0.85	-5.2%	0.07
3. Delmarva Power (this utility)	68	16.37	-	1.00

Who buys Delmarva Power's electricity

Class at Delmarva Power	Accounts	Of Delmarva Power accounts	Of Delmarva Power MWh sold	kWh a year per Delmarva Power account
Residential	301,950	88.9%	41.6%	10,561
Commercial	37,530	11.1%	45.7%	93,375
Industrial and other	108	0.03%	12.8%	9,076,880

Delmarva Power among Exelon group

Delmarva Power and its neighbours on price	SAIDI min, gap to Delmarva Power	Home ¢, gap to Delmarva Power	Accounts, Delmarva Power = 1
1. Commonwealth Edison Co (IL)	-32	-2.98	12.16
2. PECO Energy Co (PA)	-8	-1.63	5.02
3. Baltimore Gas & Electric Co (MD)	-1	-0.25	3.95
4. Delmarva Power (DE, this utility)	68	16.37	1.00
5. Potomac Electric Power Co (MD)	-22	+2.36	1.78
6. Atlantic City Electric Co (NJ)	-18	+6.20	1.69

Delmarva Power: meters, rate options and solar

Measure	Delmarva Power	Delaware context	Delmarva Power detail
Delmarva Power home meters on AMI	100.0%	Delaware 93.6%	304,029 of 304,044 meters
Time-of-use rate for Delmarva Power homes	Not on file	1 of 8 Delaware utilities offer one	262,638 homes on dynamic pricing, 86.98% of 301,950
Net-metered installations	10,329	94% residential	32.3 homes per 1,000 accounts, 10.7 kW average

Monthly energy cost by use, Delmarva Power

kWh	Share of a 880 kWh month	Cost a month at 16.37 ¢	vs U.S.	Cost a year
250	28%	$40.93	-$0.27	$491
500	57%	$81.85	-$0.55	$982
750	85%	$122.78	-$0.82	$1,473
1,000	114%	$163.71	-$1.09	$1,965
1,500	170%	$245.56	-$1.64	$2,947
2,000	227%	$327.42	-$2.18	$3,929

Outage record, Delmarva Power

Measure, Delmarva Power	No events	All events	Converted
SAIDI minutes	68.0	127.0	1.13 h
SAIFI interruptions	0.650	0.770	1.54 yr apart
CAIDI minutes	104.6	164.9	1.74 h

Territory of Delmarva Power

3 Delaware counties plus 1 other state, region RFC:

Delaware other states: 13 of 13 counties of Delmarva Power drawn

Delmarva Power: 13 counties listed by EIA-861, Census 2023 outlines.

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County list

Kent
New Castle
Sussex

Questions on Delmarva Power

How many customers does Delmarva Power serve in Delaware?

339,588 accounts in 2024: residential 301,950, commercial 37,530, industrial 108.

What is the average residential rate of Delmarva Power?

In 2024 homes paid 16.37 cents; against the Delaware average that is -1.2%.

How reliable is Delmarva Power by SAIDI and SAIFI?

SAIDI 68.0 min and SAIFI 0.65 a year, major events excluded; ratio to the national median 0.68, CAIDI 105 min.

How much solar net metering is on the Delmarva Power grid?

10,329 installations with 110.1 MW, of which residential installations number 9,759.

What is the monthly bill at Delmarva Power for average use?

880 kWh at 16.37 cents comes to about $144, energy only.

How does Delmarva Power rank on price within Delaware?

Rank 3 of 3 in Delaware on price, -1.2% against the state average; 2 charge less than 16.37 ¢.

What share of Delmarva Power sales do homes buy?

Homes take 41.6% of 7,673,491 MWh, commercial accounts 45.7%, industrial and other 12.8%; the 37,530 commercial accounts use 93,375 kWh each, 8.8 times a home.

At Delmarva Power, are smart meters in homes, with a TOU option?

304,029 of 304,044 home meters are AMI, 100.0%. Delmarva Power reports no home time-of-use rate; 1 of 8 Delaware filers do.

Has Delmarva Power moved up the Delaware price list since 2015?

2nd cheapest of 3 in 2015, 3rd of 3 in 2024; its price rose 28.6% while Delaware rose 23.5%.

Where does Delmarva Power stand among 5 peers?

Place 4 of 6 on home price at 16.37 ¢ (Exelon group); median 16.24 ¢, cheapest member 13.39 ¢.

Has Delmarva Power filed 2025 data with EIA?

Not yet: 16.37 cents and 68 SAIDI minutes (2024) remain the newest Delmarva Power record.

Utilities with a similar home price

Home prices nearest to Delmarva Power at 16.37 ¢/kWh in 2024, among companies with a page here, any state.

Direct Energy ServicesTexas, 16.37 ¢/kWh, 0.00 ¢ below
Cherryland Electric Coop IncMichigan, 16.36 ¢/kWh, 0.01 ¢ below
Grayson-Collin Elec Coop, IncTexas, 16.40 ¢/kWh, 0.03 ¢ above

Rate plans on file

12 home plan records, energy charges: 1.6 to 44.3 ¢/kWh.

Time-of-use: 10, e.g. RESIDENTIAL "R"

Who offers time-of-use and tiered rates (17 Apr 2026 snapshot).

Primary sources for Delmarva Power: rates, outages and net metering

EIA-861 annual report entry for Delmarva Power: rates, outages and net metering, customers and sales
EIA-861 form instructions for Delmarva Power: rates, outages and net metering, how a customer is counted
EIA state profiles for Delmarva Power: rates, outages and net metering, the state price average