Alternative Power Source

These lists identify the minimum plan submittal requirements for alternative power source permits.

They are not exhaustive; additional documents or details may be required depending on the proposed work. When submitting the application in the portal, be sure to upload a plan set as one combined, legible PDF file. Incomplete or illegible submittals may be rejected.

If the scope of work changes after the plan review is completed, updated plans may need to be resubmitted for a new review.

Bi Directional EV Charging

Electrical plan (combined PDF) including:

  1. Site plan showing:
    • Location of proposed EV charging equipment, building orientation, and property boundaries
    • Easements and floodplain information (if applicable)
    • Access/working clearances for electrical equipment (as applicable)
  2. Floor plan showing:
    • EVSE/bi-directional locations and equipment layout
    • Existing electrical components affected by the scope (as applicable)
    • Working space dimensions/clearances for equipment (as applicable)
    • Circuiting/feeder routing for charging equipment (as applicable)
  3. One-line (riser) diagram showing:
    • Point of interconnection (POI)/point of connection and feeder routing
    • Disconnect and overcurrent protection device locations/ratings (as applicable)

  4. Grounding and bonding details

  5. Wiring methods/notes

  6. Load calculations (existing and proposed)

  7. Panel schedules (existing and proposed as applicable)

  8. Available fault current at the point of connection (include transformer secondary data if available)

  9. Fault current/coordination study (if required based on service/distribution equipment changes or available fault current)

  10. Equipment specifications/cut sheets for the bi-directional EV charging system including:
    • Manufacturer/model, electrical ratings, and installation requirements
    • Any required disconnects/OCP requirements (as applicable)
    • Bi-directional/interconnection/control information (as applicable): export/anti-islanding method, transfer/PCS equipment details, and how export is controlled/limited

Additional Information

  • All plan sheets must be signed by a master electrician or sealed by an engineer
  • Master electrician signature must include printed name, signature, and TDLR ME number
  • If the scope does not include service/distribution equipment changes, drawings may be signed by a master electrician

Energy Storage Systems (ESS)

Electrical plan (combined PDF) including:

  1. Site plan showing:
    • Location of proposed ESS equipment (battery cabinet/enclosure, inverter/PCS, disconnects)
    • Building orientation, property boundaries, and equipment setbacks/clearances
    • Easement and floodplain information (if applicable)
    • Access/working clearances for electrical equipment (as applicable)
  2. Floor plan showing:
    • ESS equipment locations and areas served (rooms/loads served, as applicable)
    • Existing electrical components affected by the scope (as applicable)
    • Working space dimensions/clearances for equipment (as applicable)
    • Circuiting/feeder routing to the ESS equipment (as applicable)
  3. One-line (riser) diagram showing:
    • Point of interconnection (POI) and how the ESS is connected (service equipment, panelboard, switchboard, etc.)
    • Feeder/conductor sizes, OCPD ratings, disconnect locations, and grounding/bonding method
    • Any export/backup configuration (as applicable)

  4. Grounding and bonding details

  5. Wiring methods/notes

  6. Load calculations (existing and proposed)

  7. Panel schedules (existing and proposed as applicable)

  8. Available fault current at the point of connection (include transformer secondary data if available)

  9. Fault current/coordination study (if required based on service/distribution equipment changes or available fault current)

  10. Equipment specifications/cut sheets for the ESS including:
    • Manufacturer/model for battery system and inverter/PCS (and any related disconnects/controls)
    • Power + capacity (kW AC rating of inverter/PCS and kWh battery capacity)
    • Listing/label information (as applicable)
    • Installation/mounting method (wall/floor pad/rack, etc.) and any required clearances/ventilation (as applicable)
    • UL 9540/9540A documentation (as applicable)
  11. Structural Integrity Letter (required for roof mounted equipment)

Additional Information

  • All plan sheets must be signed by a master electrician or sealed by an engineer
  • Master electrician signature must include printed name, signature, and TDLR ME number
  • If the scope does not include service/distribution equipment changes, drawings may be signed by a master electrician
  • Third party review (if applicable): Upload the City of Waco Third Party Review Certification document with the permit submittal

Fly Wheel

Electrical plan (combined PDF) including:

  1. Site plan showing:
    • Location of proposed flywheel energy storage equipment (flywheel cabinet/enclosure, inverter/PCS, disconnects)
    • Building orientation, property boundaries, and equipment setbacks/clearances
    • Easement and floodplain information (if applicable)
    • Access/working clearances for electrical equipment (as applicable)
  2. Floor plan showing:
    • Flywheel equipment locations and areas served
    • Existing electrical components affected by the scope (as applicable)
    • Working space dimensions/clearances for equipment (as applicable)
    • Circuiting/feeder routing to the flywheel equipment (as applicable)
  3. One-line (riser) diagram showing:
    • Point of interconnection (POI) and how the flywheel system is connected (service equipment, panelboard, switchboard, etc.)
    • Feeder/conductor sizes, OCPD ratings, disconnect locations, and grounding/bonding method
    • Any export/backup configuration and control equipment (as applicable)

  4. Grounding and bonding details

  5. Wiring methods/notes

  6. Load calculations (existing and proposed as applicable)

  7. Panel schedules (existing and proposed as applicable)

  8. Available fault current at the point of connection (include transformer secondary data if available)

  9. Fault current/coordination study (if required based on service/distribution equipment changes or available fault current)

  10. Equipment specifications/cut sheets for the flywheel system including:
    • Manufacturer/model for flywheel unit and inverter/PCS (and related disconnects/controls)
    • Power + capacity (kW AC rating of inverter/PCS and energy capacity rating, if provided by manufacturer)
    • Listing/label information (as applicable)
    • Installation/mounting method (floor/stand, pad, etc.) and any required clearances/ventilation (as applicable)
  11. Structural Integrity Letter (required for roof mounted equipment)

Additional Information

  • All plan sheets must be signed by a master electrician or sealed by an engineer
  • Master electrician signature must include printed name, signature, and TDLR ME number
  • If the scope does not include service/distribution equipment changes, drawings may be signed by a master electrician

Generator

Electrical plan (combined PDF) including:

  1. Site plan showing:
    • Location of proposed generator and any associated equipment (ATS, disconnects, subpanels, fuel tank, if applicable)
    • Building orientation, property boundaries, and generator setbacks/clearances
    • Easement and floodplain information (if applicable)
    • Access/working clearances for electrical equipment (as applicable)
  2. Floor plan showing:
    • Generator/ATS locations and areas served
    • Existing electrical components affected by the scope (as applicable)
    • Working space dimensions/clearances for equipment (as applicable)
    • Feeder/conduit routing to the generator and ATS (as applicable)
  3. One-line (riser) diagram showing:
    • Point of interconnection (POI) and how the generator is connected (service equipment, panelboard, switchboard, etc.)
    • ATS location/type (service rated or non-service rated as applicable) and which loads are served
    • Feeder/conductor sizes, OCPD ratings, disconnect locations, and grounding/bonding method
    • Transfer scheme/control description (automatic/manual transfer as applicable)
    • Any load shedding or paralleling controls (as applicable)

  4. Grounding and bonding details

  5. Wiring methods/notes

  6. Load calculations (existing and proposed)

  7. Panel schedules (existing and proposed as applicable)

  8. Available fault current at the point of connection (include transformer secondary data if available)

  9. Fault current/coordination study (if required based on service/distribution equipment changes or available fault current)

  10. Equipment specifications/cut sheets for the generator including:
    • Manufacturer/model, rating (kW/kVA), voltage/phase, and fuel type
    • ATS manufacturer/model, rating, and service rating (as applicable)
    • Generator disconnect/overcurrent equipment specifications (as applicable)
    • Listing/label information (as applicable)
  11. Structural Integrity Letter (required for roof mounted equipment)

Additional Information

  • All plan sheets must be signed by a master electrician or sealed by an engineer
  • Master electrician signature must include printed name, signature, and TDLR ME number
  • If the scope does not include service/distribution equipment changes, drawings may be signed by a master electrician
  • Third party review (if applicable): Upload the City of Waco Third Party Review Certification document with the permit submittal
  • Separate permits may be required for fuel supply (natural gas/propane) and/or concrete pad as applicable

Photovoltaic (PV)

Electrical plan (combined PDF) including:

  1. Site plan showing:
    • Location of proposed PV equipment (inverters, AC/DC disconnects, combiners, junction boxes, production meter if applicable)
    • Building orientation, property boundaries, and equipment setbacks/clearances
    • Easement and floodplain information (if applicable)
    • Point of interconnection (POI) location (service equipment, meter/main, distribution panel, etc.)
  2. Roof plan/array layout (for roof mounted systems)
    • Array locations, module count, and overall array dimensions
    • Setbacks/clearances from roof edges/ridges/valleys and access pathways (as applicable)
    • Attachment/racking layout and mounting method (as applicable)
  3. Ground mount (if applicable)
    • Location of arrays and equipment
    • Mounting type (ground mount, pole mount, carport/canopy) and general layout
  4. Floor plan/electrical plan showing (as applicable)
    • New equipment locations and areas served
    • Existing electrical components affected by the scope (as applicable)
    • Working space dimensions/clearances for electrical equipment (as applicable)
    • Circuiting/conduit routing between arrays, inverters, disconnects, and POI (as applicable)
  5. One-line (riser) diagram showing:
    • PV system configuration (strings/combiners/inverters and conductor types/sizes)
    • POI and interconnection method (breaker backfeed, supply-side/line-side connection, etc.)
    • OCPD ratings, disconnect locations, and grounding/bonding method
    • Rapid shutdown method/equipment (as applicable)
    • Any energy storage or export limiting controls (if included in scope)
    • Labeling/signage details (equipment, disconnects, directories/placards, rapid shutdown labels as applicable)

  6. Grounding and bonding details

  7. Wiring methods/notes

  8. Load calculations (existing and proposed)

  9. Panel schedules (existing and proposed as applicable)

  10. Available fault current at the point of connection (include transformer secondary data if available)

  11. Fault current/coordination study (if required based on service/distribution equipment changes or available fault current)

  12. Equipment specifications/cut sheets for the PV including:
    • PV modules (manufacturer/model, quantity)
    • Inverters/optimizers, manufacturer/model, AC output rating)
    • Rapid shutdown equipment (as applicable)
    • Racking/mounting system information (as applicable)
    • Disconnect/combiners (as applicable)
    • Listing/label information (as applicable)
  13. Structural Integrity Letter (required for roof mounted equipment)

Additional Information

  • All plan sheets must be signed by a master electrician or sealed by an engineer
  • Master electrician signature must include printed name, signature, and TDLR ME number
  • If the scope does not include service/distribution equipment changes, drawings may be signed by a master electrician
  • Third party review (if applicable): Upload the City of Waco Third Party Review Certification document with the permit submittal

SolarAPP+

Applies to SolarAPP+ residential roof mounted PV only (no service upgrades/changes; no ESS)

Electrical plan (combined PDF) including:

  1. Site plan showing:
    • Location of proposed PV equipment (inverters, AC/DC disconnects, combiners, junction boxes, production meter if applicable)
    • Building orientation, property boundaries, and equipment setbacks/clearances
    • Easement and floodplain information (if applicable)
    • Point of interconnection (POI) location (service equipment, meter/main, distribution panel, etc.)
  2. Roof plan/array layout (for roof mounted systems)
    • Array locations, module count, and overall array dimensions
    • Setbacks/clearances from roof edges/ridges/valleys and access pathways (as applicable)
    • Attachment/racking layout and mounting method (as applicable)
  3. Floor plan/electrical plan showing (as applicable)
    • New equipment locations and areas served
    • Existing electrical components affected by the scope (as applicable)
    • Working space dimensions/clearances for electrical equipment (as applicable)
    • Circuiting/conduit routing between arrays, inverters, disconnects, and POI (as applicable)
  4. One-line (riser) diagram showing:
    • PV system configuration (strings/combiners/inverters and conductor types/sizes)
    • POI and interconnection method (breaker backfeed, supply-side/line-side connection, etc.)
    • OCPD ratings, disconnect locations, and grounding/bonding method
    • Rapid shutdown method/equipment (as applicable)
    • Any energy storage or export limiting controls (if included in scope)
    • Labeling/signage details (equipment, disconnects, directories/placards, rapid shutdown labels as applicable)

  5. Grounding and bonding details

  6. Wiring methods/notes

  7. Load calculations (existing and proposed)

  8. Panel schedules (existing and proposed as applicable)

  9. Equipment specifications/cut sheets for the PV including:
    • PV modules (manufacturer/model, quantity)
    • Inverters/optimizers, manufacturer/model, AC output rating
    • Rapid shutdown equipment (as applicable)
    • Racking/mounting system information (as applicable)
    • Disconnect/combiner (as applicable)
    • Listing/label information (as applicable)
  10. Structural Integrity Letter

Required with submittal

  1. SolarAPP+ approval document (NREL authorization/approval)

  2. SolarAPP+ plan set/spec sheets (modules, inverters/optimizers, racking/mounting, rapid shutdown)

Additional Information

  • All plan sheets must be signed by a master electrician or sealed by an engineer
  • Master electrician signature must include printed name, signature, and TDLR ME number
  • If the scope does not include service/distribution equipment changes, drawings may be signed by a master electrician

Wind

Electrical plan (combined PDF) including:

  1. Site plan showing:
    • Location of wind equipment (tower/turbine, inverter/controls, disconnects, OCPD, batteries/ESS if included)
    • Building orientation, property boundaries, and equipment setbacks/clearances
    • Easement and floodplain information (if applicable)
    • Point of interconnection (POI) location (service equipment, meter/main, distribution panel, etc.)
    • Trenching/conduit routing from the turbine/tower to equipment/POI (as applicable)
  2. Foundation/structural location plan (as applicable)
    • Turbine/tower foundation location and dimensions (as applicable)
    • Anchor/base type and any required clearances/access
  3. Floor plan/electrical plan (as applicable) showing:
    • New equipment locations and areas served
    • Existing electrical components affected by the scope (as applicable)
    • Working space dimensions/clearances for electrical equipment (as applicable)
    • Circuiting/conduit routing between wind equipment, disconnects, controllers/inverter and POI (as applicable)
  4. One-line (riser) diagram showing:
    • Wind generator/turbine rating and system configuration (AC or DC output, controller, inverter if applicable)
    • POI and interconnection method (breaker backfeed, supply-side/line-side connection, etc.)
    • Conductor types/sizes, OCPD rating, disconnect locations, and grounding/bonding method
    • Control equipment, dump load/braking system, and any export-limiting controls (if applicable)
    • If battery/ESS is included, show connection and applicable ratings

  5. Grounding and bonding details (including tower grounding/electrode system as applicable)

  6. Wiring methods/notes

  7. Labeling/signage details (wind disconnects, directories/placards, warning labels as applicable)

  8. Load calculations (existing and proposed)

  9. Panel schedules (existing and proposed as applicable)

  10. Available fault current at the point of connection (include transformer secondary data if available)

  11. Fault current/coordination study (if required based on service/distribution changes or available fault current)

  12. Equipment specifications/cut sheets for the wind system including:
    • Wind turbine/generator (manufacturer/model, nameplate rating, cut sheet)
    • Tower type/height and mounting type (monopole/lattice/guyed, etc. as applicable)
    • Controller/inverter (if applicable) (manufacturer/model, AC output rating)
    • Disconnects/OCPD and any control/protection equipment (as applicable)
    • Listing/label information (as applicable)
  13. Structural (as applicable)
    • Structural Integrity Letter (required for roof mounted equipment)
    • Structural/foundation design details (engineer-sealed when required)

Additional Information

  • All plan sheets must be signed by a master electrician or sealed by an engineer
  • Master electrician signature must include printed name, signature, and TDLR ME number
  • If the scope does not include service/distribution equipment changes, drawings may be signed by a master electrician

Launch the Permit Application Portal

Back to top