For instance, reducing all fuel prices by 20%% will increase the payback times by 23…28 %.
The results show that the rebound effect can significantly increase the payback period of ESPCs contracts by up to 4 years and the contract duration is significantly affected by renters' risk attitudes.
This payback is increasing as these networks become more embedded in customers' buying habits and the move has paid dividends for businesses like Love Keep Create and SNCDirect.
However the measured energy savings generally worsened the life cycle energy performance of this technology and thus increased the energy payback period.
"We estimate homeowners can save and earn more than £1,000 per year for 25 years, increasing with inflation, giving a payback in around 10 years".
Sensitivity analyses show that increases in the rate of electricity and the level of government subsidy increase the payback period of SOFC systems in Hong Kong.
"And when the price of fuel increases, the payback period decreases".
"Increasing deductibles make sense if the payback is three to five years," Mr. Fiske said.
The payback period is decreasing sharply when increasing the size for small battery capacities.
After the minimum of payback time is reached, the curve is increasing slowly with the battery size.
