Featured insights

Analysis
Heavily contracted coal strains Philippines grid as outages surge in 2025
TZ-CAT data shows several heavily contracted units already exceed outage thresholds by 189%, posing risks to grid stability and electricity prices

Analysis
Batteries are Pakistan’s antidote to volatile fossil fuel prices
Investing US$500m in batteries plus renewables could save up to US$2.87bn in RLNG operating costs by 2030.

Analysis
A Japan powered by 90% clean energy is achievable only with a flexible system
New analysis shows how interconnectors, flexible nuclear and long-duration storage could help reduce wasted renewable energy in Japan’s power system.
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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

Update
Tracking the solar revolution: inside the Q3 2025 Solar Asset Mapper release
From Saudi Arabia’s mega projects to Pakistan’s rooftops — TZ-SAM’s Q3 2025 update tracks solar’s advance across continents, alongside new research on distributed systems.

Update
Open source interoperability: integrating OSeMOSYS and PyPSA for power system analysis
How our unified, interoperable data model allows results from one model framework can be easily shared between and across multiple others

Update
Solar Asset Mapper Q1 2025 data release
Top-level highlights from our second rolling quarterly release of TZ-SAM

Update
Southeast Asia at the crossroads
Energy transition trends to watch in 2025

Update
Solar Asset Mapper is now released quarterly
Following today’s Q4 2024 release of TZ-SAM, we’re bringing you updates more regularly

Update
Our secret master plan
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