Back to Top

 Skip navigation

X-axis labelHeat PumpSolar EnergyBothNeither
1700-19494259109911582148239
1950-19775673208662190183795
1978-19934707222571871161004
1994-1999342013442956111100
2000-20044467171101783178639
2005-20095623175493494160888
2010-20141248821913193790
2015-2019220452723454912225
2020-202580376914189135949
go to full release