ONS (Operador Nacional do Sistema Elétrico) — Brazil's national electricity grid operator. Public Tempo Real REST/JSON feed, no credentials. Real-time national system load (SIN, ~77 GW), generation mix by source (hydro, thermal, wind, solar, nuclear), marginal operating cost (CMO) by submarket (Southeast/Center-West, South, North, Northeast) in R$/MWh, the energy balance snapshot (generation, load, import/export and interchange by submarket plus international ties with Argentina/Paraguay/Uruguay), and reservoir energy storage (EAR). Joins the power-markets family (ercot/spp/nyiso/caiso/aemo/cammesa/eirgrid).
6 methodsFreshness not declaredEirGrid Smart Grid Dashboard — the all-island Irish transmission system operator (Republic of Ireland + Northern Ireland). Public REST/JSON, no credentials. Live 15-minute system demand (MW), wind and solar generation actuals and forecasts (MW), the live fuel mix (gas/coal/renewable/net-import shares), named interconnector flows (EWIC, Moyle, Greenlink), carbon intensity and emissions, and System Non-Synchronous Penetration (SNSP). Region can be all-island, Republic of Ireland (ROI), or Northern Ireland (NI). Joins the power-markets family (caiso/ercot/aemo/entsoe/cammesa).
10 methodsFreshness not declared
