Start free, scale when you’re ready.

Live API access, day-one. Upgrade for longer forecast horizons, prediction intervals, team seats, and production support.

Free

Evaluation: live API access, no credit card, no expiration.

Free
Get API key
  • 100 requests / hour
  • 1,000 requests / day
  • 2 API keys
  • Day-ahead forecasts
  • All 7 U.S. grids
  • Hourly resolution
  • Self-serve support

Developer

Integration: solo quant, single REP analyst, or miner ops engineer.

$199/mo
Start building
  • 10,000 requests / hour
  • 50,000 requests / day
  • 5 API keys
  • Extended forecast horizons where available
  • Sub-hourly resolution where available
  • Prediction intervals where available
  • ISO-specific signals tracked with validation status
  • Weather, holidays, and generation mix inputs where available
  • Webhook delivery on new forecast runs
  • Email support
  • 99.9% uptime target, no model retraining, no DevOps

Team

Team rollout: shared usage, billing, and support for analyst groups.

$1,999/mo
or bill annually — save $3,989/yr
Start with Team
  • Everything in Developer
  • Up to 10 seats, shared billing
  • Unlimited API keys within the team
  • Team dashboard with per-member usage attribution
  • Priority email support
  • 50,000 requests / hour (pooled)
  • 500,000 requests / day (pooled)
  • 99.9% uptime target
  • Annual option: $19,999/yr

Growth

Popular

Territory benchmark: retail startups, prop desks, and scoped rollout teams.

$4,999/mo
or bill annually — save $9,989/yr
Start with Growth
  • Everything in Team
  • Up to 25 seats, shared billing
  • 200,000 requests / hour (pooled)
  • 2,000,000 requests / day (pooled)
  • 1-year historical forecast archive
  • Named support contact, office hours
  • 99.9% uptime target
  • Scoped territory benchmarks (CAISO TACs, ERCOT LZs, PJM zones where validated)
  • SFTP delivery
  • Tail-risk review
  • Annual option: $49,999/yr

Enterprise

Custom contract

Procurement: SSO, custom delivery, negotiated SLA, MSA, and DPA. Dedicated infrastructure, MSA, provider security evidence, procurement-ready quotes within two business days.

Request a demo

Cancel anytime from your dashboard. No long-term contracts.

Price by adoption stage, not by forecast claim.

Plan choice changes access, collaboration, support, and procurement handling. The current live scorecard remains the source of truth at every tier.

Free
Evaluation
Create a no-card API key, inspect the live scorecard, and test a few payloads.
Developer
Integration
Raise limits, add webhooks, and wire one technical owner to the forecast API.
Team
Team rollout
Share usage, billing, API keys, and support across a desk or analyst group.
Growth
Territory benchmark
Add named support, scoped territory benchmarks, SFTP delivery, and tail-risk review.
Enterprise
Procurement
Use SSO, custom delivery, negotiated SLA, MSA, DPA, and security review support.

Evaluation path

Evaluate before expanding the contract.

Use the public evidence and a scoped benchmark before choosing limits, team seats, support, or procurement terms. Paid tiers add operating capacity, not a different public claim standard.

  1. 01

    Review live scorecard

    Start with the current h24 table, including gaps to ISO references and pending reference rows.

    Open scorecard ->
  2. 02

    Request scoped benchmark

    Declare grid, horizon, audit period, and decision context before any comparison is scored.

    Request benchmark ->
  3. 03

    Test API payloads

    Create a free key or inspect the docs, then test responses against your integration shape.

    View API docs ->
  4. 04

    Move to procurement or paid plan

    Use the trust, SLA, pricing, and enterprise pages when the benchmark is ready for review.

    Open procurement ->

What $199/mo replaces.

A weekend with TimeGPT, EIA Open Data, and statsforecast can produce a baseline. Here is what that stack does not include.

DIY stack
TimeGPT + EIA + statsforecast
Gramm Developer
$199/mo
ERCOT 4CP windows pre-modeled
Scoped territory evaluation (TACs, LZs, zones where validated)
Build per-zone
Per-region weather features (WRF, ERA5)
DIY ingest
ISO holidays + DST calendars
Manual
Real-time generation mix (wind, solar, gas)
Separate EIA pull
Tail-risk evaluation (heat-dome, cold-snap)
Re-train per event
Production SLA. 99.9% uptime target
Model retraining + drift monitoring
Your DevOps
Managed
Benchmarked against ISO published forecasts
Roll your own harness

A foundation-model forecast on raw load history will run; sustaining ISO-specific accuracy across 7 markets, scarcity hours, and shoulder-month anomalies is where the engineering time goes.

Everything included at a glance

Coverage, limits, and support by tier. All plans include all 7 U.S. grids with JSON, CSV, and XML formats.

Free

Forecast horizons
Day-ahead
Resolution
Hourly
Prediction intervals
Seats
1
API keys
2
Rate limit
100/hr
Daily quota
1,000/day
Historical data
24 hours
Webhooks
Team dashboard + usage attribution
Scoped territory benchmarks
SFTP delivery
Custom LAP mapping to your meter footprint
Snowflake Share + WebSocket streaming
SSO / SAML + SCIM
Support
Self-serve
Uptime
No SLA
Data residency
US-only
Contract
Standard TOS

Developer

Forecast horizons
Extended where available
Resolution
Sub-hourly where available
Prediction intervals
Where available
Seats
1
API keys
5
Rate limit
10,000/hr
Daily quota
50,000/day
Historical data
30 days
Webhooks
Team dashboard + usage attribution
Scoped territory benchmarks
SFTP delivery
Custom LAP mapping to your meter footprint
Snowflake Share + WebSocket streaming
SSO / SAML + SCIM
Support
Email
Uptime
99.9% target
Data residency
US-only
Contract
Standard TOS

Team

Forecast horizons
Extended where available
Resolution
Sub-hourly where available
Prediction intervals
Where available
Seats
Up to 10
API keys
Unlimited (team)
Rate limit
50,000/hr (pooled)
Daily quota
500,000/day (pooled)
Historical data
90 days
Webhooks
Team dashboard + usage attribution
Scoped territory benchmarks
SFTP delivery
Custom LAP mapping to your meter footprint
Snowflake Share + WebSocket streaming
SSO / SAML + SCIM
Support
Priority email
Uptime
99.9% target
Data residency
US-only
Contract
Standard TOS

Growth

Forecast horizons
Extended where available
Resolution
Sub-hourly where available
Prediction intervals
Tail review
Seats
Up to 25
API keys
Unlimited
Rate limit
200,000/hr (pooled)
Daily quota
2M/day (pooled)
Historical data
1 year
Webhooks
Team dashboard + usage attribution
Scoped territory benchmarks
SFTP delivery
Custom LAP mapping to your meter footprint
Snowflake Share + WebSocket streaming
SSO / SAML + SCIM
Support
Named contact + office hours
Uptime
99.9% target
Data residency
US-only
Contract
Standard TOS

Enterprise

Forecast horizons
Custom scope
Resolution
Custom scope
Prediction intervals
Custom scope
Seats
Unlimited
API keys
Unlimited
Rate limit
Custom
Daily quota
Custom
Historical data
Full archive
Webhooks
Team dashboard + usage attribution
Scoped territory benchmarks
SFTP delivery
Custom LAP mapping to your meter footprint
Snowflake Share + WebSocket streaming
SSO / SAML + SCIM
Support
Named engineer, dedicated Slack
Uptime
Custom SLA + accuracy reporting
Data residency
US-only
Contract
Custom MSA + DPA

Procurement documents

Enterprise templates on a 2-business-day turnaround.

MSA and DPA templates, the subprocessor list, security questionnaire responses (SIG-lite / CAIQ), and incident-response policy are sent to Enterprise prospects within two business days of a signed NDA. Redlines welcome on the MSA and DPA.

Questions.

Can I switch plans at any time?

Yes. Upgrade or downgrade at any time from your dashboard. Upgrades take effect immediately; downgrades apply at the end of your current billing cycle.

Can I cancel at any time?

Yes. Cancel from your dashboard at any time, your access continues through the end of the billing cycle. No long-term contracts on self-serve plans.

What happens when I hit my rate limit?

Requests above your plan's rate limit receive a 429 response. You can upgrade instantly to raise your limits, or contact us about burst capacity for Enterprise plans.

Do you charge per API call?

No. Plans are flat monthly subscriptions with generous rate limits. There are no per-call fees or metering surprises.

Need larger-team pricing, procurement support, or a custom backtest?

Schedule a call