Pepco (Potomac Electric Power Company) Solar Net Metering, TOU Rates & Battery ROI (2026)
Service Territory: Montgomery County, Prince George's County (MD) & Washington, D.C.
⚡ 2026 TARIFFS📊 Full 2026 TOU Rate Schedule, Baseline Allocations & Fixed ChargesPeak: $0.21 – $0.25 / kWh · Off-Peak: $0.18 – $0.21 / kWh · Fixed: $9.25 / mo Customer Charge
| Tariff Classification | 1:1 Full Retail Net Metering + MD / DC SRECs |
|---|---|
| On-Peak Electricity Rate | $0.21 – $0.25 / kWh |
| Off-Peak / Base Rate | $0.18 – $0.21 / kWh |
| Fixed Monthly Customer / Grid Charge | $9.25 / mo Customer Charge |
⚠️ EXPORT RULES⚠️ Net Billing Avoided-Cost Export Rules & Penalty AvoidanceExport Compensation: 1:1 Full Retail Credit + High-Value SRECs ($60/MWh in MD; $400+/MWh in DC)
Under Pepco (Potomac Electric Power Company)'s 2026 interconnection schedule (1:1 Full Retail Net Metering + MD / DC SRECs), excess daytime solar electricity sent back to the grid is credited under the following rule:
💡 PRO SAVINGS🔋 Battery Arbitrage ROI: Wiping out 4PM-9PM Peak ChargesRecommended Spec: 14.3 kWh LFP Battery (30% MD Storage Tax Credit) · Payback: 4.5 Years (MD) / 3.2 Years (DC SREC Market)
To maximize self-consumption and eliminate peak Time-of-Use utility billing in Montgomery County, Prince George's County (MD) & Washington, D.C., our engineering audit recommends 14.3 kWh LFP Battery (30% MD Storage Tax Credit). By storing midday solar generation and discharging during evening peak windows, homeowners achieve an estimated 4.5 Years (MD) / 3.2 Years (DC SREC Market) payback while gaining automatic blackout protection.
🔴 RED FLAG🚩 Installer Red Flags: How Sales Reps Oversize Systems for this UtilityForensic warning on door-to-door proposal tricks in this utility territory
In Washington D.C. and suburban Maryland Pepco territory, SREC values are so high that some installers trick homeowners into 'free solar' PPAs that seize $25,000+ in SREC payouts.
🛡️ Verify My Pepco (Potomac Electric Power Company) Quote in Quote Auditor →FAQ❓ Pepco (Potomac Electric Power Company) Solar & Battery Homeowner FAQsKey questions on net metering, battery sizing, and interconnection
Does Pepco (Potomac Electric Power Company) still offer 1:1 net metering in 2026?
Pepco (Potomac Electric Power Company)'s 2026 solar interconnection policy is classified as 1:1 Full Retail Net Metering + MD / DC SRECs. Specifically, exported kWh are compensated under: 1:1 Full Retail Credit + High-Value SRECs ($60/MWh in MD; $400+/MWh in DC), with on-peak retail rates at $0.21 – $0.25 / kWh and off-peak rates at $0.18 – $0.21 / kWh.
What size home battery is recommended for Pepco (Potomac Electric Power Company) customers?
For a typical residential home in Montgomery County, Prince George's County (MD) & Washington, D.C., our engineering benchmark recommends 14.3 kWh LFP Battery (30% MD Storage Tax Credit), delivering an estimated 4.5 Years (MD) / 3.2 Years (DC SREC Market) simple payback while protecting against local grid outages.
What is the #1 solar installer red flag in Pepco (Potomac Electric Power Company) territory?
In Washington D.C. and suburban Maryland Pepco territory, SREC values are so high that some installers trick homeowners into 'free solar' PPAs that seize $25,000+ in SREC payouts.
Recommended Battery Storage & Hybrid Inverters for Pepco (Potomac Electric Power Company)
Turnkey solar salespeople routinely charge $3.60–$4.80/W by bundling 30% loan dealer fees and $12,000+ battery margins. Buying Tier-1 UL9540 hardware directly—either DIY or hiring a local licensed electrician ($1,500–$2,500)—cuts total cost by 50–65%.
EG4 18kPV Inverter + 14.3kWh PowerPro WallMount
The gold-standard UL9540 all-in-one hybrid system. Pair an 18kW PV input hybrid inverter (200A pass-through) with an indoor/outdoor IP65 14.3kWh LiFePO4 WallMount battery—saving $12,000+ vs turnkey quotes.
- 18kW PV Input / 12kW Continuous AC Output (200A Pass-Through)
- 14.3kWh LiFePO4 (8,000+ cycles @ 80% DoD)
- UL9540 & UL1741-SB Certified for Permit Approval
EcoFlow Delta Pro Ultra (6kWh–30kWh Modular)
Skip the $30,000 contractor quote and 6-month utility interconnection wait. Delivers 7.2kW–21.6kW continuous 120V/240V split-phase output and 5.6kW Solar Input right out of the box—expandable up to 90kWh.
- 7,200W–21,600W 120V/240V Split-Phase Output
- 6.1kWh LFP Stackable Battery (scales to 30kWh–90kWh)
- 5,600W Solar Input — Zero Roof Permit Required for Portable PV
Renogy 48V Off-Grid & Hybrid LFP Solar Kit
Complete modular 48V architecture combining high-efficiency N-type bifacial panels, a 48V 3,500W–5,000W MPPT inverter-charger, and smart modular LiFePO4 storage at ~$1.15/W hardware cost.
- 48V High-Efficiency Bus (75% lower copper wire loss)
- Modular 48V 50Ah / 100Ah Smart LiFePO4 Battery Bank
- Complete Plug-and-Play MPPT All-in-One Controller
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