Money

Price a full year of power usage against every plan on your network

  • Level Intermediate
  • Setup1–3 hrs (estimated)
  • Evidence Some evidence
  • CostNot stated in source
  • No-codeNo
Grok BotSource-linked

What they did

A user had their Grok Bot email their electricity retailer for a full year of usage data in 5-minute intervals (over 100,000 readings), price it against all 1,019 residential plans on their network, and model their Powerwall 3 battery and 17.7 kW solar on each one. It also read the fine print on the winning plan.

How it went

The last 12 months on their current plan cost $602; the agent projected about $253 on the best plan it found, with the car charging in a free 11am to 2pm window. They said they were about to switch.

Worth knowing

  • Self-reported X post; the $253 is a projection, not a bill. The fine-print catch it found (solar credits capped at 2,500 kWh a quarter, leftover credit lost when you leave) is the kind of detail to check yourself.

Prompt

Cleaned version rewritten from the source — not a direct quote.

Request a full year of my interval usage data from [my electricity retailer]. Then price that usage against every residential plan available on my network, modelling my [battery and solar setup] on each. Show the cheapest options with the annual cost, and read the fine print for limits on solar credits, exit terms or time-of-use windows before you recommend one. Don't switch me without asking.

Recommended

Try it in Grok Bot

  1. Copy the prompt (button below).
  2. Open Grok Bot chat and paste it. Replace any [bracketed] placeholders.
  3. Connect the listed tools (Email) as connectors when Grok Bot asks.
  4. If the task repeats, ask: "Make this a daily routine."

Alternatives: the same prompt works in Claude, ChatGPT Agent, OpenClaw.

Set it up

Tools: Email · Stack: Grok Bot

  1. Read the original source for full context.
  2. Connect the tools your agent needs.
  3. Paste the prompt and replace [bracketed] placeholders.
  4. Run once manually and check the output before scheduling it.

Generic suggested steps, not from the source.

Evidence

Self-reported X post; the $253 is a projection, not a bill. The fine-print catch it found (solar credits capped at 2,500 kWh a quarter, leftover credit lost when you leave) is the kind of detail to check yourself

Source: X · 2026-10-10 · Verified by us: not yet · Report broken or outdated

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