Primary energy and consumer energy, 2007
Water to burn
Substation designs
Muscle power
Cooking geothermally
Kerosene lamps, A&P show, 1910
Firewood for school
Total coal production, 1883–1978
Oil supply and use
Oil on show, 1910
Importing oil, Marsden Point
Transporting oil products, 1908
Oil distribution, 2009
Transporting oil products, 2008
Multi-brand service station, 1940s (1st of 2)
Single-supplier service station (2nd of 2)
Avoiding carless days
Electric celebration
Electricity consumption and use (1st of 2)
Making electricity, 2007 (2nd of 2)
Cabling Auckland
Expanding network, 1930
Power cuts
North Island power stations, 10 megawatts or greater, 2008 (1st of 2)
South Island power stations, 2008 (2nd of 2)
Cook Strait cable (1st of 2)
Old and new cables (2nd of 2)
Selling electric power
Transporting electricity
Auckland blackout, 1998
Coal at work, around 1900
Coal consumption and use
Climate change protest
Palmerston North gasometer (1st of 3)
Inside the gasworks (2nd of 3)
Laying coal-gas pipes (3rd of 3)
Coal gas for cars, 1940s
Natural gas consumption
Laying the natural-gas pipeline (1st of 3)
Coal gas to natural gas (2nd of 3)
Clearing the line (3rd of 3)
Reticulating natural gas
CNG service station
Wind power
Solar water-heating
Canola oil-powered 4WD
Methane from landfill