The Home Battery Installation Process in South Carolina

The home battery installation process in South Carolina should produce more than mounted equipment and a working app. It should move a property-specific operating promise from evidence to design, approval, installation, testing, and owner records. At the end, the homeowner should be able to show which loads are protected, how the system behaves with and without the grid, which approvals are complete, what settings were accepted, and who handles service.

There is no universal sequence or schedule. A standalone grid-charged battery, new solar-plus-storage project, and retrofit to an existing array can take different paths. So can a selected-load design and a broad whole-service architecture. The authority having jurisdiction, utility, HOA, flood/site conditions, service equipment, exact product, and contract can change the order or add gates.

This guide presents a neutral decision and evidence framework. It does not promise Sunburst’s exact workflow, project timeline, supported equipment, permit result, utility approval, or commissioning deliverables. Those must be written into the actual proposal and contract.

Home battery installation process at a glance

Use this sequence to ask what evidence should exist before the project advances.

Process gate	Main decision	Evidence before proceeding	Common premature shortcut
Goal and outage brief	What job must the battery perform?	Ranked loads, outage scenarios, normal-use goals, critical-needs plan	“Whole-home backup” without a circuit/load record
Feasibility and architecture	What power paths and backup boundary are supported?	Operating narrative, existing-system records, architecture alternatives	Selecting a battery cabinet before choosing the system
Site and electrical review	Can the property support the design?	Service/panel record, location alternatives, routes, site constraints	Choosing a wall from a photograph
Detailed design	What exact equipment and controls deliver the outcome?	One-line, site plan, equipment schedule, load/control narrative	Using a sales layout as a construction drawing
Scope and contract	Who owns every task, change, and acceptance result?	Included/allowance/excluded matrix, approval roles, acceptance criteria	Ordering before unresolved conditions are assigned
AHJ, utility and other review	What must be filed, corrected, inspected or authorized?	Current project-specific submission path and status log	Assuming another city or utility’s process applies
Installation readiness	Are drawings, equipment, access and shutdown plans current?	Released design, verified models, work plan, substitution rules	Field redesign without owner/AHJ/utility review
Installation and inspection	Was the approved system built and corrected?	Field records, labels, inspection/correction status, as-built changes	Treating physical completion as permission to operate
Commissioning	Do all promised modes work under stated conditions?	Recorded grid-on, outage, control, recharge and recovery results	App activation or a brief power interruption alone
Handoff and acceptance	Does the owner possess control, records and support paths?	As-built package, accounts, settings, warranties, training, exceptions	Final acceptance with missing approvals or documents

The gates may overlap. A utility question may need early resolution before detailed design. An AHJ may require a product-specific site plan before granting a permit. A field discovery can return the project to design. What matters is that changes are documented and approved rather than hidden inside a generic sequence.

Step 1: Write the household goal and outage brief

The process should begin with the outcome, not a product model. Ask why the household is considering storage:

• automatic backup for selected essentials;
• support for well, drainage, refrigeration, medical, communications, security, HVAC, or other defined loads;
• broader household continuity with automatic load control;
• solar self-consumption or grid-charging under a particular tariff;
• future solar or electrification readiness;
• participation in a verified utility program; or
• a combination whose priorities are ranked.

Then define outage scenarios. Record the seasons and conditions that matter, whether occupants may be away, expected water/heating/cooling needs, acceptable load interruptions, and what happens after stored energy reaches its lower operating limit. Do not use an average outage duration as a guarantee.

Classify each load as must remain available, may cycle, may be shed or delayed, manual use only, or not protected. Identify motor/compressor starts and unusual modes such as electric auxiliary heat, water-heater elements, pump starts, EV charging, pool equipment, and appliance defrost. A homeowner’s main-breaker size or monthly kWh does not replace this record.

Separate battery power from usable energy. Power affects which loads can operate and start together. Energy affects the modeled duration of a changing load profile. Reserve, conversion losses, temperature, equipment condition, solar availability, controls, and household behavior remain relevant. The battery sizing guide owns that detailed calculation; this process should not advance to equipment selection until its inputs are documented.

Health-critical and life-safety needs require a separate continuity plan. A residential battery proposal, monitoring app, runtime estimate, or utility interconnection is not a medical-power guarantee.

Owner documents to gather

The first record package may include:

• recent utility bill and, where available, interval data;
• service and panel information available to the homeowner;
• labels/manuals for high-demand equipment;
• original solar proposal, one-line, permits, utility authorization, monitoring and warranties if solar exists;
• generator, EV, smart-panel, load-control or other distributed-resource records;
• site survey, floor plan, flood information or HOA documents already available;
• photos taken safely without opening electrical equipment; and
• current ownership, lease, PPA or financing documents that affect equipment changes.

Missing records are not permission to guess. The proposal can identify field investigation, record retrieval, testing, engineering or utility questions as conditions before final design.

Step 2: Choose an architecture that matches the job

Architecture determines how energy moves in normal and outage states. It should be selected before treating a battery model as the answer.

Classify the project:

• standalone grid-charged storage without solar;
• new solar plus storage designed together;
• battery added to an existing solar system;
• battery combined with another supported source or control system; or
• no project until a prerequisite is resolved.

Then select the backup boundary. A selected-load panel can keep excluded loads physically outside the island. A broader service or panel boundary may depend on automatic load management. The phrase whole home does not prove that every connected load can operate simultaneously or for a promised duration. The whole-home versus partial-battery guide covers that choice.

For each candidate architecture, require an operating narrative for:

1. normal grid operation;
2. battery charging source and schedule;
3. grid outage detection and isolation;
4. protected-load pickup and any sequencing;
5. solar behavior in an outage, when solar exists;
6. low state of charge and load shedding;
7. grid return and reconnection;
8. communications or controller failure; and
9. manual/emergency operation allowed to the owner.

If the home already has PV, the feasibility gate includes system ownership, inverter and communication compatibility, current condition, warranty, roof work, coupling, export controls, monitoring, and revised utility/AHJ treatment. Use the existing-solar battery retrofit guide before promising equipment.

Architecture labels are not performance guarantees. AC versus DC coupling does not settle efficiency, outage solar, grid charging, clipping, expansion, or warranty. Exact equipment and power paths control.

Step 3: Complete the electrical and site review

The site review turns a concept into property evidence. It should cover the complete system boundary without asking the homeowner to perform unsafe inspection or measurements.

Electrical record

The qualified review should document, as applicable:

• utility service, meter and service disconnect arrangement;
• panel, bus, breaker, conductor and feeder ratings/configuration;
• grounding, bonding, surge and disconnect equipment;
• applicable load calculation and battery-charging load;
• protected circuits and proposed distribution changes;
• solar, generator, EV, smart-panel or load-control equipment;
• current one-line and labeling accuracy;
• conductor/conduit routes and penetrations;
• communications, internet and cellular conditions; and
• service, panel, feeder or circuit work required before or with storage.

An open breaker position is not proof of capacity. A larger panel label is not proof that the utility service can support more load. A battery may require a control strategy, panel work, selected-load distribution, or another approved solution; the assessment should state why.

Site alternatives

Do not select a location from appearance alone. Record at least one preferred and, where practical, one alternate location. Evaluate:

• indoor/outdoor environment and exact equipment rating;
• wall, floor, pad, stand or anchorage condition;
• structural responsibility;
• heat, cold, direct sun, salt/coastal exposure and weather;
• drainage, flooding, design elevation, access after a flood and protection from damage;
• working space, service access and equipment replacement path;
• doors, windows, egress, habitable spaces, vehicles and fire-service access as relevant to current requirements;
• conductor and communications routes;
• property lines, easements, HOA/architectural review and visible exterior changes; and
• landscaping, restoration and protection responsibility.

The exact listing, manufacturer instructions, filing-date codes, AHJ and property control the result. Do not copy a battery clearance, room rule, aggregate-capacity threshold, flood elevation, bollard detail or fire barrier from another product or jurisdiction.

Step 4: Convert findings into a complete design basis

The design package should be detailed enough that the homeowner, installer, AHJ, utility and commissioning party are referring to the same system. A polished proposal illustration may help explain the project, but it is not an electrical one-line or site plan.

Request the following, as applicable:

• site plan with equipment and routes;
• electrical one-line identifying utility, service, disconnects, panels, battery/inverter, isolation/transfer, solar, controls and protected loads;
• protected-circuit/load schedule;
• power, energy, starting-load and reserve basis;
• exact equipment schedule with manufacturer, model, quantity, firmware/region profile where relevant, and current data-sheet/manual revision;
• complete system certification/listing basis and approved component combination;
• mounting, environmental and protection details;
• normal, outage, low-state, grid-return and fault operating narrative;
• load-control priority and failure behavior;
• grid charge, solar charge, export/no-export and meter/control descriptions;
• utility tariff/program assumptions if they affect operation;
• permit, utility, HOA and other submission responsibility;
• commissioning and acceptance plan; and
• unresolved conditions, alternatives and design-change process.

UL Solutions explains that UL 9540 addresses energy storage systems and equipment. The complete approved configuration matters. A battery-cell mark, cabinet label or reference to UL 9540A testing does not by itself establish that the proposed inverter, controller, transfer device, firmware, layout and installation have the required certification or approval.

The design should also identify retained equipment. If an existing solar inverter, service panel, monitoring system or gateway remains, assign integration and future service responsibility at that boundary. If equipment is removed, state who handles data/account migration, safe retirement, disposal, wall/roof repair, permits and warranty consequences.

Step 5: Put the process and acceptance evidence in the contract

The contract is where the neutral process becomes the actual project workflow. It should state which party performs each task, which documents are deliverables, which conditions remain open, and what triggers payment or schedule changes.

Classify every material item as included, allowance, excluded or owner-provided. Cover:

• design and engineering;
• battery, inverter, controller/gateway, transfer/isolation and protection equipment;
• selected-load panel, circuit moves and load controls;
• service/panel/feeder work;
• conductors, conduit, trenching, mounting and restoration;
• communications and account setup;
• plans, permits, fees, corrections and inspections;
• utility submissions, revisions, metering and authorization;
• HOA or architectural documents;
• delivery, access, storage and equipment-damage responsibility;
• installation, labels, cleanup and site restoration;
• startup, commissioning, training and closeout records;
• warranties, registrations, labor/service terms and maintenance; and
• change orders, substitutions, cancellation, payment and final acceptance.

Use the battery quote comparison guide when comparing bidders. That page owns commercial normalization. This process guide focuses on knowing when a phase is complete.

Do not let equipment ordering erase an unresolved design condition. The contract should say what happens if the AHJ rejects a location, the utility requires different settings or equipment, a hidden panel/site condition appears, the proposed model becomes unavailable, or existing solar proves incompatible. A substitution should not be made from brand equivalence alone; repeat the affected design, certification, warranty, permit, utility and commissioning review.

Step 6: Identify the actual AHJ and utility path

South Carolina’s Building Codes Council publishes the current state code-adoption path. The project still needs the authority having jurisdiction, filing-date requirements, local administration, exact equipment instructions and property-specific review. A newer model code in a manufacturer brochure is not automatically the code in effect.

The permit path may address electrical work and, depending on the project and jurisdiction, building, fire, structural, zoning, flood or other review. The proposal should identify:

• each authority expected to review the project;
• documents and professional seals expected at submission;
• who files and pays stated fees;
• who responds to corrections;
• who revises the contract if a correction changes scope;
• required inspections and closeout evidence; and
• whether any work may begin before particular approvals.

Do not publish a statewide permit count, fee, inspection sequence or turnaround time.

Utility review is provider and configuration specific

First confirm the serving electric utility from a current bill and address. South Carolina includes investor-owned utilities, Santee Cooper direct-retail territory, electric cooperatives and municipal providers. A neighboring property can have a different process.

The South Carolina Energy Office’s interconnection guidance directs consumers to the actual utility for specific procedures. Some projects may require a new or revised interconnection request, equipment certificates, one-line, settings/export information, inspection record, meter work, agreement or authorization. Another configuration may follow a different notification or review path. Ask the provider; do not infer from the word battery or non-export alone.

Current published utility examples show why project identification matters. Santee Cooper’s interconnection page says new generating-facility requests under its standard should be submitted at final design before construction and that equipment/design changes can require revised requests. Dominion’s published South Carolina interconnection procedure requests technology, kW/kWh and point-of-interconnection information in relevant applications. These are examples, not proof that either provider serves the reader or that every residential storage project uses those exact paths.

The project status log should separate:

• application submitted;
• completeness accepted;
• technical review or corrections underway;
• permit issued;
• installation inspection passed;
• utility documents or meter work complete; and
• permission or authorization for the applicable operating mode.

“Submitted,” “approved by the city,” and “permission to operate” are not interchangeable.

Step 7: Complete pre-install readiness

Before field work begins, verify that the crew and homeowner are working from the current released design. A pre-install check should confirm:

• exact equipment models and quantities received;
• no unapproved substitution;
• drawings match the permit/utility status and latest revision;
• protected loads and circuit labels have not changed;
• site location remains available and conditions have not changed;
• access, delivery, parking and staging are planned;
• homeowner property and sensitive equipment are protected;
• planned utility or household power interruption and affected occupants are coordinated;
• weather, flood or site conditions permit safe work;
• internet/communications prerequisites are understood;
• required permits/authorizations are in place for the work stage; and
• hidden-condition/change-order contacts are named.

The homeowner should not be asked to open panels, disconnect equipment, alter gas/electrical systems, move a heavy battery, or prepare unsafe access. Qualified parties should define safe preparation.

If the home has medical, security, network, well, gate, refrigeration or other interruption-sensitive equipment, create a separate outage-of-service plan for installation day. The battery is not yet the contingency while it is being installed.

Step 8: Install to the approved design and record changes

Installation may involve mounting or foundations, conduit and conductors, disconnects and protection, controller/gateway and metering sensors, transfer/isolation equipment, backed-up distribution, circuit moves, communications and integration with solar or other controls. The exact work varies too much for a universal checklist or homeowner tutorial.

The key process controls are:

• use the current approved drawings and equipment instructions;
• protect required working spaces and environmental conditions;
• preserve conductor, sensor and communication identification;
• label protected and non-protected circuits accurately;
• document concealed work before it is covered where useful or required;
• record model and serial numbers;
• escalate field conflicts instead of improvising a materially different design;
• submit affected changes to the AHJ/utility/manufacturer as required; and
• update the as-built documents.

A seemingly small field change can alter power flow. Reversing a current transformer, moving a solar connection across the backup boundary, changing a breaker position, relocating a controller or substituting an inverter can affect metering, export control, isolation, listing, commissioning and utility records.

Physical completion is not acceptance. Equipment may still require inspection, corrections, firmware/region configuration, manufacturer startup, utility authorization and functional tests.

Step 9: Close inspections and applicable utility conditions

After installation, track every correction to closure. The owner should receive evidence of the final status rather than a verbal statement that paperwork is handled.

Possible evidence includes:

• permit number and final inspection status;
• signed inspection card or portal record;
• approved/as-built drawings if required;
• correction notices and documented closure;
• electrical or other test records required by the project;
• utility completion/authorization or agreement where applicable;
• meter or service-work record;
• final equipment certificates/settings submitted; and
• unresolved restriction on export, charging, solar operation or other mode.

Do not energize or export in a mode that requires authorization before that authorization exists. The responsible contractor should explain which limited startup or test operations are allowed during commissioning and which functions remain disabled.

If the field installation differs from the approved design, do not conceal the difference in an owner handoff. Determine whether drawings, permit, utility record, equipment configuration and commissioning tests must be revised.

Step 10: Commission every promised operating mode

Commissioning is a planned functional verification of the complete system. App activation proves only that an account or communication path worked at that moment. A battery icon showing charged does not prove safe islanding, protected circuits, motor starts, load shedding, solar operation, no-export controls or grid-return behavior.

The acceptance plan should define test conditions, safe procedures, responsible witnesses, readings, pass/fail criteria and corrections. Depending on the approved design, it may include:

1. exact equipment, serials, firmware/region profile and settings recorded;
2. sensor/meter direction and energy-flow display checked;
3. normal grid charging/discharging or solar charging as supported;
4. utility loss detection and safe isolation;
5. transfer of the agreed protected loads;
6. staged simultaneous loads and specified motor starts;
7. load-control priorities, shedding, delays and restoration;
8. protected and deliberately non-protected circuits confirmed;
9. solar production and battery charging while islanded when the approved design, weather and battery state permit a meaningful test;
10. reserve and low-state behavior through a safe supported test method;
11. grid return, reconnection and recharge sequence;
12. export/no-export behavior required by the utility/design;
13. monitoring, alarms, notifications and connectivity recovery; and
14. emergency/manual controls and owner limitations.

DOE’s solar and resilience guidance explains why suitable inverter, storage and islanding architecture are needed for outage operation. It does not establish a runtime or guarantee solar recharge. Test results must state weather, starting state of charge, active loads and limitations rather than present one observation as universal performance.

Do not intentionally overload circuits, defeat isolation, simulate unsafe failures, open equipment, or deeply discharge a battery outside an approved manufacturer-supported method. Qualified parties should conduct the test.

Record failures and retests. Acceptance should not rely on a promise that a future software update or service visit will correct an unproven critical mode unless the contract documents that exception and remedy.

Step 11: Transfer accounts, controls and records to the owner

The owner handoff should make the system operable and serviceable after the installation team leaves. Manufacturer, installer, utility and monitoring accounts should not remain solely under an individual salesperson or inaccessible administrator.

Request an owner package containing, as applicable:

• final as-built one-line and site/equipment layout;
• protected-load/circuit schedule and labels;
• model/serial and equipment schedule;
• final settings and operating-mode narrative;
• permits, inspections and utility status documents;
• commissioning report and correction/retest record;
• owner/admin monitoring access and data permissions;
• alert routing and who receives critical notifications;
• manuals, emergency information and safe shutdown instructions;
• manufacturer warranty and registration evidence;
• installer workmanship terms and separate service/maintenance documents;
• solar/inverter/roof or other affected warranty information;
• support contacts, escalation route and after-hours limitations;
• maintenance, inspection, software/connectivity and replacement obligations; and
• future-change warning for HVAC, EV, panels, solar, generators or protected loads.

The Sunburst warranty overview is a general question framework, not proof of generator- or battery-specific coverage. The signed product warranty and contract must state who pays for diagnosis, travel, labor, shipping, removal/reinstallation, firmware/connectivity work and temporary power. Do not assume an equipment warranty covers installer labor or emergency response.

Owner training topics

Training should connect the app to physical operation. The homeowner should understand:

• what the monitoring values represent and their limits;
• which circuits are and are not backed up;
• reserve and time-based settings the owner may change;
• settings that should remain protected;
• how to recognize grid, battery, solar and outage modes;
• normal versus actionable alerts;
• what happens at low state of charge;
• what internet loss changes and what continues locally;
• safe emergency information and whom to call;
• how to document a fault before service; and
• why major electrical/load changes require review.

Training is not permission for DIY electrical, battery, inverter or transfer work.

Step 12: Define acceptance and final completion

Acceptance should be based on written evidence, not calendar completion or appearance. Before final acceptance, reconcile the contract with the delivered result.

Use an exception log with four statuses: complete, corrected/retested, owner-accepted limitation, or open. Review:

• equipment and quantity match;
• design and as-built match or approved changes are documented;
• protected-load outcome is demonstrated;
• all promised modes are commissioned;
• inspection and utility status is clear;
• accounts/admin access belong to the owner;
• manuals, warranties, registrations and service contacts are delivered;
• site restoration and labeling are complete;
• change orders and allowances are reconciled; and
• open exceptions have a responsible party, remedy and date rather than a verbal promise.

The contract—not this article—should define substantial completion, final completion, final-payment trigger, retainage if any, punch-list treatment and dispute process. A utility authorization that arrives after physical installation can affect the completion definition; allocate that risk before signing.

NREL’s PV and storage operations and maintenance best-practices report supports the value of clear responsibilities, documentation, commissioning, monitoring and lifecycle records. It is broader system guidance, not a mandatory residential contract form or Sunburst deliverable list.

What can send the project back a step?

A good process permits informed iteration. Common return points include:

• missing or inaccurate panel/solar records;
• failed existing-equipment compatibility review;
• load brief that exceeds the proposed power or energy;
• motor start that needs a different control or architecture;
• unsafe or unapprovable preferred location;
• flood, structural, drainage, access or HOA constraint;
• service/panel capacity finding;
• utility export, meter, profile or equipment requirement;
• AHJ correction;
• product substitution or model revision;
• warranty or ownership restriction;
• failed commissioning mode; and
• homeowner priority change.

Returning to design is not automatically a failure. Advancing without updating the drawings, scope, approvals and acceptance plan is the failure. Require a written change showing technical effect, price effect under A011’s cost framework, schedule effect, permit/utility impact, warranty impact and revised acceptance test.

How to prepare for a battery assessment

Before meeting an installer, prepare a concise packet:

• recent bill and serving utility;
• interval data if tariff operation matters;
• outage priorities and loads that may be excluded;
• service/panel and major-equipment records;
• solar ownership, equipment, monitoring, permit and utility records if applicable;
• photos of proposed areas taken without opening equipment;
• known flood, drainage, HOA, property or access constraints;
• generator, EV, smart-panel or future electrification plans;
• decision about standalone, new solar, existing-solar retrofit or still-open architecture; and
• questions about accounts, commissioning, warranties and final records.

Sunburst’s public battery-storage service supports assessment, critical-load design, permitting/utility coordination, installation, commissioning and monitoring context. It does not establish that every project follows the same phases or includes every deliverable in this neutral guide. To obtain the actual written project path, request a property-specific battery assessment and require the proposal to identify sequence, responsible parties, conditions, acceptance evidence and exclusions.

What a Sunburst battery project looks like

Sunburst Solar Solutions runs the twelve steps above as one accountable scope rather than splitting them between a salesperson, a subcontractor and a call center. From our office on Daniel Island we handle the outage brief, the electrical survey, the battery storage design and installation, the county permit, the utility interconnection, commissioning of every promised operating mode, and the handoff of monitoring and documents to you. Every install is backed by our lifetime full-system and roof-penetration warranty.

Before that first visit it helps to read how battery size is actually derived from your loads and where a battery can legally and practically be mounted. If you are still deciding between backing up the whole panel or a critical-loads subpanel, start there. We work across the Lowcountry and statewide — see battery installation by city or book a free assessment.

Home battery installation process FAQs

How long does a home battery installation take in South Carolina?

There is no defensible universal schedule. Document collection, design complexity, equipment availability, site/electrical work, AHJ review, utility process, corrections, inspections and commissioning vary. Ask for a milestone schedule with assumptions and dependencies, not a guaranteed statewide duration.

Does every battery require a permit?

Do not assume always or never. The actual AHJ, equipment, location, electrical changes and project configuration control. The contractor should identify required submissions and current filing-date rules before work.

Does every battery require utility approval?

The path varies by serving utility and operating configuration. Grid charging, export/no-export, solar retrofit, inverter settings, metering and programs can affect review. Ask the actual provider and document the answer.

Can equipment be ordered before permits or utility review?

The contract should state the risk. Ordering may expose the homeowner or contractor to restocking, substitution, redesign or delay if a location, model, setting or configuration is not accepted. Resolve material feasibility gates before making irreversible commitments.

Will the power be off during installation?

Many projects can require one or more planned electrical interruptions, but timing and duration depend on the exact service, panel, transfer, utility and installation scope. The contractor should provide an interruption plan and contingency for sensitive loads; this guide does not promise a duration.

Is the system complete when the monitoring app works?

No. App access does not prove isolation, protected loads, motor starts, load controls, solar recharge, export limits, grid return, inspection or utility status. Require a recorded mode-by-mode commissioning and closeout package.

What is the difference between inspection and commissioning?

Inspection checks compliance within the authority’s scope. Commissioning functionally tests the installed operating modes against the design and contract. One does not automatically replace the other.

What is permission to operate?

It is utility authorization for the applicable interconnected operation under the provider’s process. Terminology and requirements vary. Permit approval, installation completion and utility authorization should be tracked separately.

Should solar recharge be tested during commissioning?

If the approved project promises islanded solar charging, the acceptance plan should test or otherwise verify that mode under supported conditions. Weather and battery state may limit a same-day demonstration, so the contract should define an acceptable method without inventing a guaranteed recharge result.

What documents should the homeowner keep?

Keep as-builts, one-line/site plans, load schedule, equipment/serial list, settings, permits, inspections, utility documents, commissioning results, accounts, manuals, warranties/registrations, service terms, training notes and change records.

Can the battery be expanded later?

Maybe. Future product availability, compatibility, power/energy limits, controller capacity, service/panel capacity, physical space, codes, permits, utility rules, warranties and load growth must be reviewed. Document current provisions and remaining future work; do not treat expansion as guaranteed.

Sources and methodology

This guide was researched and updated on August 10, 2026. Official sources establish process categories and current verification paths; none supplies a universal South Carolina schedule, permit result or residential commissioning form.

• South Carolina Energy Office battery-backup guidance
• South Carolina Energy Office interconnection guidance
• South Carolina Building Codes Council code adoption
• South Carolina Building Codes Council code directory
• UL Solutions energy-storage-system testing and certification
• DOE solar and resilience basics
• DOE distributed energy resources and microgrids basics
• NREL PV and storage O&M best practices
• Santee Cooper interconnection standards and forms
• Dominion South Carolina published interconnection procedure

The signed project scope must still identify Sunburst’s actual workflow, supported equipment, responsible entities, schedule assumptions, submission path, commissioning tests, account handoff, warranties and acceptance trigger. This neutral framework does not create those promises.