Do unused days roll over?

No. The monthly 31-day free allowance and paid-plan allowances reset each billing period and don't carry over. Your signup bonus is the exception — it stays available for 12 months from the day you connect, or until you use it, whichever comes first.

What happens when I run out?

Queries are blocked until your next monthly reset or you upgrade — you're never charged for a query you can't afford. The connector shows your remaining allowance before each request.

Why is only the mean method available through the connector?

Mean is fast enough to make a free, conversational tier possible. Minmax and integration are more computationally expensive and are available through the REST API for developers building their own integrations.

Can I use my API key with Claude instead of OAuth?

Yes. Power users already on a REST plan can connect with an API key. That path unlocks minmax and integration through the assistant too.

Yes, any time. Upgrades take effect immediately. Downgrades take effect at the next billing cycle.

Does this work with both Claude and ChatGPT?

Yes. Claude and the official ChatGPT app both use the same Energy-Data.io account and degree-day allowance.

Connector pricing

Free to start. Plans from $9.99/mo.

Name: Energy-Data.io MCP Connector
Brand: Energy-Data.io
Price: 9.99 USD

365 days included when you sign up, plus 31 free days every month. Connect once, ask for degree days in plain language — no code, no dashboard.

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Try it out

Free

31 free days every month

365-day signup bonus · use-it-or-lose-it monthly allowance

OAuth connect: ✓
Mean method: ✓
Cost estimator: ✓
Plan changes: —
Priority support: —

Connect free

Light, regular checks

Starter

$9.99 / month

10 location-years/mo

3,650 days — one day per location queried

OAuth connect: ✓
Mean method: ✓
Cost estimator: ✓
Plan changes: ✓
Priority support: —

What is a location-year?

Think in sites and time, not abstract credits. One location-year is one building (or weather station) for one calendar year — about 365 days of data.

Ask for a year of heating degree days at one site: that's one location-year. Ask for a year across ten sites: that's ten location-years. The connector always tells you the cost before it runs the query.

Need minmax or integration methods, or building degree days into your own software? That runs through our REST API instead — see API pricing.

Already on Ed Pro or MAX?

Your Ed subscription already includes connector access — no separate plan needed.

Ed Pro ($59/mo) includes 10 location-years/month — same as Starter
Ed MAX ($159/mo) includes 30 location-years/month — same as Plus
Connect Claude from your Ed account and start asking for degree days. See Ed pricing.

Common questions

FAQ

No. The monthly 31-day free allowance and paid-plan allowances reset each billing period and don't carry over. Your signup bonus is the exception — it stays available for 12 months from the day you connect, or until you use it, whichever comes first.
Queries are blocked until your next monthly reset or you upgrade — you're never charged for a query you can't afford. The connector shows your remaining allowance before each request.
Mean is fast enough to make a free, conversational tier possible. Minmax and integration are more computationally expensive and are available through the REST API for developers building their own integrations.
Yes. Power users already on a REST plan can connect with an API key. That path unlocks minmax and integration through the assistant too.
Yes, any time. Upgrades take effect immediately. Downgrades take effect at the next billing cycle.
Yes. Claude and the official ChatGPT app both use the same Energy-Data.io account and degree-day allowance.

Ask your assistant for degree days. Free to connect. 365 bonus days to start.

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