Power price alerts in Real-Time

Instant ISO price alerts so your operation runs on the cheapest electrons.

ERCOT Live Prices

View full chart ›

Build an Alert in 15 Seconds

1️⃣ Pick a load zone. 2️⃣ Set a price trigger. 3️⃣ Preview the exactSMSEmailWebhookyou’ll receive—no account needed.Free plan: 50 alerts & queries /day + 1 000 API calls. Pro starts at $29/mo—more data, 10× higher limits, cancel anytime.

SMS
Preview will appear here
Email
Preview will appear here
Webhook
Preview will appear here

Real-time Energy Data from All US Deregulated Markets

Access critical market data across ERCOT, CAISO, PJM, and more. One API for all your energy intelligence needs.

LIVE NOW

ERCOT

Real-time LMP (all hubs)
ORDC adders
4CP probability
DR events
<47ms average latency
Q1 2025

CAISO

Real-time LMP
Renewables curtailment
Battery dispatch
Flex alerts
Target: <60s latency
Q2 2025

PJM

Real-time LMP
Capacity performance
Synchronized reserve
Load response
Target: <90s latency

More ISOs coming: MISO, SPP, ISO-NE, NYISO

View Full Roadmap

See It In Action

Alerts – Automation in Seconds

Alerts – Automation in Seconds

Point-and-click rules that ship real-time SMS, email or webhook payloads. No cron jobs, no polling – just action when it matters.

Open Alerts – Automation in Seconds

Transparent Pricing

From exploration to enterprise. Choose the plan that fits your energy data needs.

GET STARTED

Free

Start monitoring in minutes

$0/month
1 active alert
Up to 10 data-point constraints
1 ISO (choose any)
Email alerts
Community support

No credit card required

MOST POPULAR

Pro

Serious automation & coverage

$199/month
10 active alerts
Top 50 constraints (ERCOT)
All US ISOs included
Email, SMS & Webhook actions
Priority support

Cancel anytime

BEST VALUE

Enterprise

Unlimited scale & custom metrics

$499/month
Unlimited alerts
No constraint limits
All ISOs
Custom metrics & SLAs
Dedicated success manager

Cancel anytime

Why choose WattMarkets?

  • Real-time alerts across every US ISO
  • Lightning-fast delivery (<50 ms avg)
  • Flexible actions: Email, SMS & Webhooks
  • Transparent pricing, cancel anytime
  • Loved by engineers—simple REST & SDKs

Questions? Email us for help choosing the right plan.