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AI agent for energy engineers

EV Charging Load Planning Agent

A charging design that stays within panel and transformer limits at an acceptable demand cost

EV Charging Load Planning Agent: what goes in, what the agent does and what you get

What it does

Adding chargers to a site can overload a panel or raise the demand charge more than the charger saves. This agent takes the site's interval load data and the planned number and type of chargers. It models the added load hour by hour, checks it against panel and transformer capacity, and estimates the tariff effect, including demand charges. If a limit is exceeded, it tests staggered or capped charging schedules and reruns until the limits hold. It compares each design on peak load, cost and charging time. The engineer approves the design. Edge case: the model passes in winter but a summer afternoon peak adds air conditioning load, so the agent tests the hottest week before accepting.

How it works

Follow the arrows from top to bottom. The orange dashed arrow is the loop: when a check fails, the agent goes back and tries again.

Start and resultWhat it doesA check on its own workWaits for your OKGoes back and retries
Yes, continueYes, continueApprovedNoNo 1 STARTS WHEN Charger plan or change received 2 USES A TOOL Read interval load data, panel and transformerratings 3 DOES Model added charger load hour by hour 4 USES A TOOL Apply the tariff to estimate demand charges 5 CHECKS THE RESULT Does the peak stay under 80% of panel andtransformer ratings? If not: test staggered start times and per-charger powercaps. Back to step 3. 6 DOES Test the hottest and coldest weeks for coincidentpeaks 7 CHECKS THE RESULT Do all tested weeks stay inside limits and meetcharging needs? If not: adjust the schedule and cap, then retest. Backto step 3. 8 DOES Compare designs by peak load, cost and charge time 9 YOU APPROVE Engineer approves the design 10 RESULT Charging load plan
Read the steps as a list
  1. Charger plan or change received
  2. Read interval load data, panel and transformer ratings
  3. Model added charger load hour by hour
  4. Apply the tariff to estimate demand charges
  5. Does the peak stay under 80% of panel and transformer ratings?If not: test staggered start times and per-charger power caps. Back to step 3.
  6. Test the hottest and coldest weeks for coincident peaks
  7. Do all tested weeks stay inside limits and meet charging needs?If not: adjust the schedule and cap, then retest. Back to step 3.
  8. Compare designs by peak load, cost and charge time
  9. Engineer approves the designThe agent waits here for your OK.
  10. Charging load plan

How it decides

Design must keep the peak below 80% of equipment rating. Among passing designs, choose the one with the lowest demand cost that meets charging needs.

  • Keep peak under 80% of equipment rating
  • Prefer staggered charging before capacity upgrades
  • Test the highest demand week of the year
  • Flag any design that leaves vehicles under 80% charged by departure

Make it yours

Every agent is a starting point. You choose these settings for your own situation.

  • Safety margin (default 80%)
  • Charging windows
  • Tariff to use
  • Weather weeks to test

What keeps you in control

It always asks you first

  • Final charger design
  • Any capacity upgrade request

Hard limits

  • Never signs off equipment capacity
  • Never changes tariff elections

It stops when

  • Done: design passes all limits
  • Stop: no design meets limits without an upgrade

Set it up

We guide you through the set-up, step by step

Members get the full set-up guide for this agent. No technical skills needed: you copy, paste and upload.

10 minto set it up in your AI
5 AIsChatGPT, Claude, Copilot, Gemini, Grok
  • One set of instructions to paste into your AI, with the clicks for ChatGPT, Claude, Microsoft 365 Copilot, Gemini and Grok
  • The agent then walks you through connecting your own data, one source at a time
  • A downloadable copy with the flow chart, the rules and the full guide
Get access to this agent

An example run

What happensA depot with a 400 amp panel wanted eight 19 kW chargers. At full power the peak reached 410 amps at 6 pm, so the limit check failed. The agent tested a 12 kW cap and staggered starts, giving 295 amps and vehicles fully charged by 6 am. A heat wave week raised building load, so the second check passed only after delaying two chargers. The engineer approved it.

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