datons
Solutions
Apps
Learn
Contact
Search
⌘K
Search
Search datons.com
EN
ES
Get updates
Energy Data
Market intelligence & data infrastructure for energy companies
AI & Automation
Data-first AI agents that work in production via MCP
Custom Software
Web apps, APIs & integrations your team can own
Consulting & Training
Architecture reviews, strategy & live training
Solutions →
Energy
ESIOS Data
Spanish electricity market analytics
Energy Market Simulation
BESS, solar PV, and arbitrage simulations
Energy Billing
Indexed and fixed electricity pricing
Apps
LEX
Multi-jurisdiction legislation search via API and AI
Actuarial Calculators
Insurance and pension calculations via API and AI
Shellton
iOS terminal for SSH, Mosh & tmux
Python libraries
python-entsoe
European energy market data (ENTSO-E)
python-esios
Spanish energy market data (REE/ESIOS)
python-eia
US energy data (EIA)
Apps →
Training
Streams
Blog
Cases
Overview
Reports
Playground
Chat with AI
Docs
Pricing
Alerts
Market overview
Spreads
Catalog
Explore
Market price spreads
Sunday, 31 May 2026
Daily
Weekly
Today
live
Market deviation from SPOT
Deviation per hour and market (€/MWh). Green = above, red = below.
Source: ESIOS (REE)