WattLayer
The Stripe for Energy Data
Real-time SMP Price Data
Daily collection of System Marginal Prices from KPX. Mainland/Jeju separation, history queries, and statistics API. 5-minute cache for fast responses.
Supply & Demand Monitoring
Power supply/demand collected every 5 minutes. Supply capacity, current demand, reserve power, and reserve rate via real-time WebSocket streams.
Weather Data Integration
KMA short-term forecast and ultra-short-term observation data collected 8 times daily. Lambert Conformal Conic grid transform covering Seoul, Busan, Daegu, Gwangju, Jeju.
Distributed Energy Zone Data
Metadata and facility links for 7 distributed energy zones: Busan Gangseo, Gyeonggi Uiwang, Jeonnam, Jeju, Ulsan Mipo, Chungnam Seosan, Gyeongbuk Pohang.
Developer SDKs
Python (pip install wattlayer) and JavaScript (npm install wattlayer) SDKs. 3 lines of code to integrate. Free tier: 10,000 calls/month.
Production Infrastructure
Google Cloud Run (asia-northeast3) + Cloud SQL PostgreSQL 15 + TimescaleDB + Memorystore Redis 7. GitHub Actions CI/CD. Sentry monitoring.
