Codner's Ferry Span Smart Panel Dual-EV
Installed Span smart panel supporting two 48A Tesla Wall Connectors plus heat pump and pool on existing 200A service.
OutcomeAvoided 400A upgrade; both EVs charging same day.

Licensed Level 2 EV Charger Installer
Daniel Island Level 2 EV installs skew toward dual-EV households on already-tapped 200A panels. Load management first, unnecessary service upgrades never.
How much does a Level 2 EV charger installation cost in Daniel Island, SC?
In Daniel Island, a permitted Level 2 EV charger installation typically runs $900 to $2,400 for straightforward newer-panel installs. Panel-at-capacity homes needing a subpanel or load management run $1,600 to $3,200. Full service upgrades combined with EV circuit run $2,800 to $4,500 total. All quotes include permit and inspection.
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Daniel Island EV demand is high and many homes need to charge two EVs on a single 200A panel that is already supporting a heat pump, tankless water heater, and pool equipment. The right solution is almost always a Span smart panel or DCC-10 device with load sharing between two Level 2 chargers, not a full service upgrade.
Estate-scale Daniel Island Park installs sometimes justify a 400A service upgrade to support pool, standby generator, dual HVAC, and dual EV chargers without any load management. We run the load calc and quote the honest scope.
Every Daniel Island EV install includes coastal-rated hardware because of proximity to the Wando and Cooper marsh, plus a whole-home Type 2 SPD to protect the vehicle electronics against Lowcountry lightning damage.
Level 2 EV charger installs in Daniel Island succeed or fail on the NEC load calculation. A 60A Tesla Wall Connector draws 48A continuous, and on a panel already supporting a heat pump, tankless water heater, and pool equipment, that circuit will trip the main under sustained overnight charging. We diagnose real capacity with a load calc before quoting any circuit.
When Daniel Island panels are legitimately at capacity, a Span smart panel or DCC-10 load management device almost always solves the problem without a full service upgrade. When a service upgrade is actually needed (older 100-150A homes), we combine the upgrade with the EV circuit in a single permitted project.
Every Daniel Island EV install includes a whole-home Type 2 SPD to protect the charger and vehicle electronics, a labeled dedicated circuit, and photographed documentation of the finished work. Most straightforward installs are done in a half-day; combined panel-plus-EV jobs finish in a single business day.
We photograph your Daniel Island panel, run an NEC load calculation, and design the EV circuit with the right conductor size, breaker, and load management if needed.
We pull the Daniel Island permit, run the conductor, install the hardwired Level 2 unit or subpanel, and integrate any Span smart panel or DCC-10 load management device.
We commission the charger, verify full-current sustained load, meet the inspector, and hand you a photographed record of the finished work for insurance and closing.
A few things every Daniel Island EV buyer should know before an installer walks in. If any of these apply, an on-site load calc is the right first step.
A Daniel Island 200A panel already supporting a heat pump, tankless, and pool may not accept a 60A EV circuit without load management. NEC load calc first, quote second.
Hardwired Level 2 units run faster (48A vs 32A), last longer, and are safer in Daniel Island coastal environments than NEMA 14-50 plug-in installs. We recommend hardwired on nearly every install.
A 60A EV circuit requires 6 AWG copper. Long runs from panel to garage in older Daniel Island homes may need conduit-hardened THHN or aluminum sized up to compensate for voltage drop.
Every Daniel Island EV install we finish includes a whole-home Type 2 SPD to protect the charger and vehicle electronics against Lowcountry lightning damage.
When your Daniel Island panel is at capacity, a Span smart panel or DCC-10 load management device almost always avoids a full service upgrade. We install both.
Salt-air Daniel Island installs (IOP, Sullivan's, Old Village) need NEMA 3R stainless or NEMA 4X enclosures and marine-grade conduit. Standard indoor units fail here inside 5 years.
Dual-EV load-managed installs on tapped 200A panels using Span smart panel.
Level 2 EV plus pool equipment coordination with load management.
Waterfront Level 2 installs with coastal-rated hardware, whole-home SPD.
Estate 400A service upgrades supporting dual EVs, standby generator, and pool without load management.
A snapshot of recent permitted Level 2 EV charger installation projects we've delivered for Daniel Island homeowners and businesses.
Installed Span smart panel supporting two 48A Tesla Wall Connectors plus heat pump and pool on existing 200A service.
OutcomeAvoided 400A upgrade; both EVs charging same day.
60A Tesla Wall Connector with DCC-10 load management coordinating EV, pool equipment, and HVAC.
OutcomeBerkeley County inspection cleared first visit.
400A service upgrade with dual 200A panels supporting two Level 2 chargers, standby generator, pool, and dual HVAC without load management.
OutcomeCommissioned same day with Dominion same-day reconnect.
Electrical work in Daniel Island is permitted through the City of Charleston Permit Center (Daniel Island annexed) & Berkeley County Building Inspections (Cainhoy). As the licensed contractor of record, EmergenServe files the permit, schedules the inspection, and meets the inspector on-site so the work is documented and code-compliant.
Daniel Island is annexed into the City of Charleston; unincorporated Cainhoy is permitted through Berkeley County Building Inspections at 1003 Highway 52 in Moncks Corner.
Our most recent verified Google reviews from across the greater Charleston area. Ask about local Daniel Island references at your estimate.
Great service! LaShaun was able to come out on a Sunday and fix our electrical emergency. Excellent service and a great guy! We would highly recommend!
Clayton lord
a month ago
Service was great and fast especially with an emergency service call. The technician was great and very knowledgeable. They were able to teach me a little bit on how to address and prevent maybe even fix future problems.
Mason Williams
2 months ago
Amazing! After much calling around, finally found someone to come out on a Sunday morning. My air conditioning and refrigerator had been fried by an electrical problem. Repair for both had been unable to determine to the source. Electrician found the difficulty was caused by the power company. He called them and then waited around while the loose connections were fixed in the power company's equipment. I feel blessed to have found EmergenServe!
Patricia Heller
a month ago
Real work from real jobs across Daniel Island and the Charleston Lowcountry, from panel upgrades to storm night emergencies.






Daniel Island is the youngest and most uniform of the neighborhoods we service. Almost everything was built between 1998 and today, and almost everything is copper on a modern 200- or 400-amp Square D or Siemens panel. That does not mean the calls are simple. The island's newness masks a set of very specific issues: undersized panels from the original builders that fail load calcs the moment an EV charger or a hot tub gets added, HOA architectural review that dictates where every piece of exterior equipment can live, and a heavy concentration of home offices and smart-home installations that require dedicated circuit and network infrastructure work.
2000 through today. 400-amp services, dual 200-amp house panels, extensive smart-home integrations, home offices with dedicated network racks, saltwater pools, and detached guest quarters. These homes are always adding load, and every EV charger install starts with a fresh NEC load calc.
2005 through 2018 townhomes and semi-custom singles. 200-amp panels that were sized to code minimum. Any second EV in the household triggers a load-management conversation or a subpanel install.
Dock power, boat lift circuits, marine-grade receptacles, and pier lighting. Salt exposure is the constant issue, and we specify marine-grade devices and stainless hardware for anything at the water's edge.
Small retail, restaurant, and office tenant space. Constant tenant turnover generates TI work: LED retrofits, POS circuits, exterior sign wiring, and dedicated network room circuits.
Daniel Island is split. Most of the island is Berkeley Electric Cooperative, but a small overlap zone is Dominion. We confirm on the meter and coordinate with the correct utility before pulling any permit.
Codner's Ferry and Smythe Park townhomes were built with 200-amp panels that are typically at or over 80% capacity from day one. A 48-amp Level 2 charger fails the load calc without a load-management module. We install DCC-9 or Wallbox Pulsar Plus units so the existing service can stay.
The Daniel Island Property Owners Association strictly controls exterior equipment placement, screening, and enclosure color. Generator, EV charger, and Tesla Powerwall installs all require ARC approval, and we prepare and submit the drawings as part of the permit package.
Waterfront properties see accelerated failure of dock power circuits from salt spray and boat-lift vibration. We use marine-grade devices, PVC-coated conduit where allowed, and stainless hardware end to end.
48-amp hardwired Tesla wall connector on a 60-amp circuit with a DCC-9 load-management module, permitted with City of Charleston. Load calc kept the existing 200-amp service.
24 kW Generac Guardian on a screened concrete pad, natural gas fed, service-entrance ATS on a 400-amp service. Prepared and submitted the ARC screening plan and setback drawing for first-round approval.
Replaced a 15-year-old dock power run with new marine-grade GFCI receptacles, LED pier lighting, and a boat lift disconnect. New conduit in PVC-coated EMT where above water, stainless anchors and clamps throughout.
Six dedicated 20-amp circuits, structured cabling for a home office network rack, whole-home surge protection at the panel and a point-of-use UPS-fed subpanel for the network room. Coordinated with the low-voltage integrator on the rack layout.
"ARC approval was the part I was dreading. They handled the drawing, the screening plan, and the submission, and we got first-round approval. The generator has been perfect for two seasons."
"Two EVs and a townhome panel that was maxed out. Instead of upselling us on a service upgrade, they installed a load manager for a fraction of the price. Both cars charge, everything works."
"Dock power was rotting out from salt. New install is marine-grade top to bottom, and I finally have real pier lighting."
Daniel Island is a 15 to 25 minute run from our North Charleston yard depending on I-526 conditions. We route across the Don Holt Bridge and off at exit 24 for most of the island. Emergency response is fast because the island is directly across 526 from our yard.
Most of Daniel Island is inside the City of Charleston and permitted through the City of Charleston Permit Center at 2 George Street. A small portion falls under Berkeley County jurisdiction. We verify the parcel before quoting.
For a generator, yes. For a wall-mounted EV charger inside a garage, usually no. For an exterior pedestal-mount charger visible from the street, yes. The Daniel Island Property Owners Association ARC guidelines are specific, and we prepare and submit the drawings on your behalf.
Most of the island is Berkeley Electric Cooperative, with a small overlap zone on Dominion. We confirm on the meter and coordinate with the correct utility before pulling the permit.
Yes. We install Tesla Powerwall 3 and Enphase IQ Battery systems paired with existing solar or as standalone backup. We size the critical loads panel, coordinate with the solar contractor on the interconnection, and permit through the City of Charleston.
For a standard exterior 400-amp meter/main with dual 200-amp house panels, the total installed cost typically runs $9,000 to $13,500 depending on conduit runs, ARC approval complexity, and utility coordination. We provide a written line-item estimate before any work begins.
Almost always yes, with a Span smart panel or DCC-10 device configured for load sharing between the two Level 2 chargers. We rarely need to upgrade a Daniel Island service to 400A just for EVs.
Yes. Span smart panels are a common Daniel Island install for households that want dual-EV support plus visibility into circuit-level energy use.
Straightforward single Level 2 installs run $1,100 to $2,400. Dual-EV Span smart panel installs run $4,800 to $8,500 depending on scope.
Also see our Charleston EV charging service hub or explore all our residential electrical services.
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