Featured insights
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).
Analysis
Expanded Philippine grid cuts curtailment by nearly two thirds in 2035 but risks more coal
Expanding interconnectors across the main grids could unlock 873 GWh of clean energy, but also results in 5.74 TWh of coal.
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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
