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FLAT Rate Structure

Solar ROI for Pepco Maryland Customers

Pepco Maryland charges an average of $14.8¢/kWh. A 7 kW solar system produces a $7,105 NPV over 25 years.

$13,965
Net System Cost
$7,105
25-Year NPV
10 years
Payback Period
$0.161/kWh
Solar LCOE

Pepco Maryland Rate Structure

ParameterRate
Average residential rate$14.8¢/kWh
Rate structureFLAT
Export credit policy1:1 net metering at retail rate

Solar System Economics

A 7 kW solar system for a Pepco Maryland customer costs $19,950 before incentives. The 30% federal ITC saves $5,985. The net out-of-pocket cost is $13,965.

At Pepco Maryland's $14.8¢/kWh average rate, the system saves $1,326 in year one, producing 8,960 kWh. The solar LCOE of $0.161/kWh is -9% below Pepco Maryland's current rate.

Battery Storage for Pepco Maryland Customers

$8,400
Battery Net Cost
$0
Daily Arbitrage
$0
Annual Arbitrage
-$11,382
25-Year Battery NPV

Pepco Maryland uses a flat rate structure without significant peak/off-peak spread. Battery value comes primarily from backup power and net metering optimization rather than TOU arbitrage.

FAQ: Solar for Pepco Maryland Customers

How much can Pepco Maryland customers save with solar?
A typical 7 kW solar system saves Pepco Maryland customers approximately $1,326/year in electricity costs. Over 25 years, the NPV of savings after system costs is $7,105.
What is Pepco Maryland's rate structure?
Pepco Maryland uses a flat rate structure at an average of $14.8¢/kWh. Without a large peak/off-peak spread, battery storage value comes primarily from backup power and net metering optimization.
Does Pepco Maryland offer net metering?
1:1 net metering at retail rate
Should Pepco Maryland customers add battery storage?
Battery storage for Pepco Maryland customers has a 25-year NPV of -$11,382. The economics are marginal based on TOU savings alone, but backup power value and future grid services programs may change the equation.

Other Utilities in Maryland

Baltimore Gas & Electric (BGE)
$15.8¢/kWh · TOU
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