Featured insights
Update
Scenario Builder goes global: model 163 countries, for free
Scenario Builder now includes simulation-ready datasets for 163 countries and 53 sub-national grid regions, so anyone can build a power system model in minutes, for free.
Analysis
Philippine grid upgrades could cut system costs by $20bn
NGCP's proposed grid upgrades could unlock up to 58 GW of renewables and $20bn in savings, but gas remains a transition risk until higher prices shift investment to hydro.
Analysis
Retiring Bangladesh's costliest coal plants could save $1 billion
Retiring Bangladesh's most expensive coal plants saves the system US$1.0bn by 2050 and cuts 67 MtCO₂ ($15/tCO2).
All articles
Update
Scenario Builder goes global: model 163 countries, for free
Scenario Builder now includes simulation-ready datasets for 163 countries and 53 sub-national grid regions, so anyone can build a power system model in minutes, for free.
Update
China's solar slowdown, seen from space: the Q2 2026 Solar Asset Mapper release
China's detected solar additions halved this quarter, whilst the Philippines posted the fastest growth among Asia's largest solar markets. TZ-SAM's latest data independently corroborates the slowdown reported on the ground.
Update
Scenario Builder, redesigned: faster, more auditable and built to grow
Filter hundreds of thousands of input rows and chart multiple scenarios side by side - on the same modelling engine you already trust.
Update
Seeing the ASEAN Power Grid as one connected system
As ASEAN prepares for cross-border power trade and new transmission projects, Scenario Builder's ASEAN Power Grid model brings regional power-system analysis into one open access environment.
Update
Spain's solar surge and the case for energy resilience: the Q1 2026 Solar Asset Mapper release
As fossil fuel markets reel from the Iran crisis, TZ-SAM's latest data shows how countries investing in solar are reaping the rewards. Spain is leading the way in Europe.
Update
Planning for energy independence requires a software upgrade
The world is spending its way into a new energy era, but planning it with software from the last one
Update
A year of solar acceleration: the Q4 2025 Solar Asset Mapper release
From China’s runaway growth to new hotspots in the Philippines and South Africa — TZ-SAM’s latest update captures a record year for global solar, plus key lessons from 2025.
Update
Free, no-code hourly dispatch modelling is here
Scenario Builder now bridges the gap between long-term investment planning and short-term operations modelling
