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For 480 kW power you need at least 1000 kWh according to Tesla's website. Not including transportation and installing that's $607k each. So five of them would cost at least $3M. The news itself says
all at no cost to the college. Tesla will receive $5.3 million in state and utility incentives and rebates covering the cost of site preparation, installation of the lithium-ion battery packs, a liquid thermal control system and software commanded by a solar inverter.
It will save the school $10,000 per month (likely from demand shaving or self consumption and TOU metering), but they didn't pay for the system, so it makes no sense to use that figure for ROI calculation.
It will save the school $10,000 per month (likely from demand shaving or self consumption and TOU metering), but they didn't pay for the system, so it makes no sense to use that figure for ROI calculation.
Then that organization would collect all the benefits that the college is getting plus some of the incentives that paid for the college's installation and get a ROI much shorter than what you said.
Then that organization would collect all the benefits that the college is getting plus some of the incentives that paid for the college's installation and get a ROI much shorter than what you said.
Most of the incentives are for the battery purchaser to help improve grid stability by absorbing or releasing energy on command from the grid operator. That will always be a benefit to the grid, so why should there be an end to the incentive scheme? I think the unique thing about this college installation is that they captured the ongoing demand response payments and capitalized it into the installation costs.
The incentive schemes at work here are very different than the Federal Tax Credits for EVs and Renewable Energy.
For 480 kW power you need at least 1000 kWh according to Tesla's website. Not including transportation and installing that's $607k each. So five of them would cost at least $3M.
Actually $607,000 buys 10 Powerpacks, 500 kW worth of inverters, and cabling [installation not included]. Five power packs with inverter and cables would be roughly half of that or $304,000
Actually $607,000 buys 10 Powerpacks, 500 kW worth of inverters, and cabling [installation not included]. Five power packs with inverter and cables would be roughly half of that or $304,000