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Homes built around 1995, like many in Wildewood, used NM-B Romex wiring which was code-compliant at the time. The issue is often capacity, not the wire itself. Modern appliances and electronics draw more consistent power than systems from three decades ago were designed for. A 150A service panel, while still functional, can struggle with the simultaneous loads of a 2026 lifestyle, causing voltage drops that manifest as flickering lights.

A 150A panel from 1995 may have moderate compatibility, but a simultaneous upgrade of both major loads often requires a service capacity increase. We must first verify your panel's brand and condition; many Wildewood homes of that era still have recalled Federal Pacific panels, which must be replaced for safety before any new circuits are added. A load calculation is essential to determine if a 200A or 400A service upgrade is needed to support these high-demand appliances safely.

Underground service laterals, typical in Wildewood's suburban developments, offer reliability benefits over overhead lines, with less exposure to tree interference. The key difference for repairs or upgrades is access; work on the service entrance cables between the utility transformer and your meter requires coordination with SMECO and often involves excavation. All work on your side of the meter, including the meter base and main panel, must be permitted and inspected by the county.

SMECO's grid in our area faces moderate surge risk, particularly from seasonal thunderstorms rolling across the coastal plain. While utility-side fluctuations happen, sensitive electronics like smart home hubs are vulnerable to smaller, internal surges within your home's own wiring. Installing a whole-house surge protector at your main panel is the most effective defense, clamping damaging voltage spikes before they reach your devices.

Any panel replacement or service upgrade in St. Mary's County requires an electrical permit from the Department of Land Use and Growth Management. As a Maryland State Board of Electricians licensee, I perform all work to the latest enforced standard, which is the NEC 2020. This ensures the installation meets current safety requirements for AFCI/GFCI protection, correct wire sizing, and emergency disconnect rules. I handle the permit filing and coordinate the required inspections.

For winter lows near 15°F, ensure heating systems and their dedicated circuits are inspected. Summer AC peaks strain the grid, increasing brownout risk. A professionally installed standby generator with an automatic transfer switch provides reliable backup for both scenarios. Additionally, consider an uninterruptible power supply (UPS) for critical electronics and ensuring your service entrance equipment is properly sealed against moisture.

From our dispatch point near St. Mary's Square, we can typically reach most Wildewood addresses via MD-235 in 8 to 12 minutes for an active electrical emergency. A burning smell indicates an immediate fire hazard—shut off power to that circuit at your breaker panel if it's safe to do so. Do not wait; this requires urgent professional diagnosis to locate and isolate the fault before it escalates.

The flat coastal plain and damp soil common in this area directly impact your grounding electrode system. Proper grounding is critical for safety and surge dissipation. Over time, moisture can corrode underground ground rods, increasing resistance. An electrical health check should include testing the grounding electrode conductor and ground rod resistance to ensure your home has a low-impedance path to earth, which is your first defense against lightning and utility surges.