Size your whole-home generator or LFP battery backup in Maryland based on historical PJM / BGE & Pepco outage rates (5.8 hrs/yr) and local fuel rates.
Grid Authority: PJM / BGE & Pepco · Avg. Annual Outages: 5.8 hrs/yr
Severe storms, transmission congestion, and peak climate heating/cooling demand.
Includes automatic transfer switch (ATS), subpanel interlock, and certified utility permit inspection.
Reliability Data Source: MD Public Service Commission Grid Reliability Annual Review
Residential power outages in Maryland cause significant economic spoilage and critical HVAC disruptions.
According to EIA data, Maryland residents experience an average of 5.8 outage hours per year across the PJM / BGE & Pepco network.
A dual-fuel generator (18–22 kW) or paired lithium battery bank (20+ kWh) is recommended to maintain refrigeration and central HVAC.
The average residential electricity tariff in Maryland is approximately $0.179/kWh.
Explore statutory rules, state benchmarks, and customized calculation models across all 51 jurisdictions.
View national outage duration indexes and whole-home generator payback.