Now in public beta — free for everyone

Help your users
charge smarter.

Day-ahead electricity prices for 43 European bidding zones. Build apps that find the cheapest hour, automate energy decisions, and save your users money.

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43 Zones

30+ Currencies

UTC Timestamps

2015→ Source archive

Terminal

# Find a future 3-hour charging window
curl -H "Authorization: Bearer YOUR_API_KEY" \
    "https://sparkrate.io/v1/prices/DK1/cheapest?hours=3&currency=DKK"

# Illustrative response excerpt · UTC · DKK/kWh
{
  "zone": "DK1",
  "currency": "DKK",
    "time_basis": "UTC",
    "cheapest_window": {
        "start": "2026-09-28T02:00:00Z",
        "end": "2026-09-28T05:00:00Z",
        "hours": 3,
        "avg_price": 0.1842
  }
}

What will you build?

Real-time electricity prices unlock a new generation of energy-smart applications.

🔌

EV Charging

Find lower-cost hours to charge. Compare available spot prices before choosing a charging window.

🏠

Smart Home

Home Assistant, openHAB, Node-RED. Automate dishwashers, dryers, and pool pumps based on real-time prices.

🌡️

Heat Pumps

Pre-heat when electricity is cheaper. Combine spot prices with your heat pump's efficiency and comfort limits.

🔋

Battery Storage

Buy low, sell high. Price arbitrage with Tesla Powerwall, BYD, Sonnen, or vehicle-to-grid (V2G).

📊

Energy Dashboards

Build price comparison sites, monitoring tools, or embed live price widgets on your platform.

🤖

AI Assistants

MCP server for Claude, ChatGPT, Copilot. "What's the cheapest time to charge tonight?"

Everything you need. Nothing you don't.

Sparkrate gives you clean, ready-to-use electricity prices — so you can focus on your product.

⚡

Instant prices

Current hour, today, tomorrow and historical dates. Availability depends on source coverage and your plan.

🔍

Cheapest window finder

Ask for the cheapest 1-12 hour window. We find it across today and tomorrow — ready to use.

💰

Local currency per kWh

Prices in DKK, SEK, NOK, PLN, or any of 30+ currencies. No conversion math needed.

📊

Stats included

Daily average, minimum, maximum and negative-price hours alongside today's prices.

🤖

MCP for AI agents

Built-in Model Context Protocol server. Give Claude, ChatGPT, or Copilot live energy price tools.

🌍

43 zones, one API

Nordics, Central Europe, Balkans, Iberia, Italy, Baltics, Ireland, Ukraine — all the same format.

Simple, powerful endpoints

Everything you need to build energy-aware applications.

GET

/prices/{zone}/today

24 UTC hourly slots with stats

GET

/prices/{zone}/current

Current hour price + next 3h + daily comparison

GET

/prices/{zone}/tomorrow

Tomorrow's UTC slots, when source data is available

GET

/prices/{zone}/cheapest

Find cheapest window for EV charging, appliances

GET

/energy/{zone}

Original spot-price intervals and historical FX

GET

/prices/compare

Compare prices across multiple zones side-by-side

GET

/currencies/rates

Dated ECB reference exchange rates

GET

/zones

All 43 zones with region and currency metadata

Full API Reference →

43 zones. 31 countries. 30+ currencies.

Every major European electricity bidding zone — Nordics to Balkans to Ukraine — with automatic currency conversion.

🇩🇰 DK1🇩🇰 DK2 🇸🇪 SE1🇸🇪 SE2🇸🇪 SE3🇸🇪 SE4 🇳🇴 NO1🇳🇴 NO2🇳🇴 NO3🇳🇴 NO4🇳🇴 NO5 🇫🇮 FI 🇩🇪 DE-LU🇳🇱 NL🇧🇪 BE🇫🇷 FR🇦🇹 AT🇨🇭 CH 🇵🇱 PL🇨🇿 CZ🇸🇰 SK🇭🇺 HU🇸🇮 SI 🇪🇪 EE🇱🇻 LV🇱🇹 LT 🇪🇸 ES🇵🇹 PT 🇮🇹 IT-North🇮🇹 IT-CN🇮🇹 IT-CS🇮🇹 IT-South🇮🇹 IT-SAR🇮🇹 IT-SIC 🇬🇷 GR🇭🇷 HR🇷🇴 RO🇧🇬 BG🇷🇸 RS 🇲🇪 ME🇲🇰 MK🇺🇦 UA-IPS 🇮🇪 IE

Zone default currencies

EURDKKSEKNOK PLNCZKHUFCHFRON

Also available via ?currency=

USDGBPJPYCADAUD CNYINRBRLMXNTRY ISKNZDZARSGDHKD KRWIDRMYRPHPTHBILS

Start free. Scale when you're ready.

Build and test with the free plan. Upgrade for full history and higher limits.

Free forever

Free

€0/mo

✓ All 43 zones
✓ 30+ currencies
✓ Current + last month
✓ 100 requests/day

Get API Key

Coming soon

Developer

€19/mo

✓ Full history (2015+)
✓ All endpoints + MCP
✓ 10,000 requests/day

Coming Soon