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Infrastructure Systems

Water, transport, energy, digital, and municipal infrastructure, with a focus on governance, investment, implementation, and delivery.

40 published analyses

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Solar panels being installed on a sloping rooftop.

Australia Is Regulating Home-Energy Devices Across Their Working Lives

Australia's new national framework treats rooftop-solar inverters, home batteries and electric-vehicle chargers as grid equipment with continuing obligations. The shift is from fragmented entry checks to common technical rules, traceable installations and maintained performance.

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Electricity transmission tower and power lines silhouetted against a sunset sky.

Brazil Is Rewriting the Connection Rules for a Two-Way Grid

Brazil's electricity regulator has proposed common connection requirements for distributed solar, batteries, electric vehicles and flexible demand, shifting distribution rules from technology categories toward the functions each resource performs on the grid.

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Rail tunnel receding toward a bright opening, with tracks and structural walls visible.

China Is Moving Tunnel Safety Upstream

A new national directive treats tunnel accidents as the product of decisions made across procurement, design, scheduling and construction—not just failures at the tunnel face.

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