In my line of work — energy audits, utility programs, buildings that use more than they should — I talk to a lot of people about their energy use, what kinds of problems they encounter in their business or home, and how much they spend. When I find out that they’re aware that there are programs meant to help but haven’t signed up for any they usually have two reasons.
The first is some variation of “I couldn’t figure out what I qualified for or which one was right for me.” The second one is almost always some level of distrust or a “What’s the catch?” kind of thinking.
The first one is why I built the website. The answer to the second one doesn’t force you to believe that the utility has taken on some altruistic motive against their own financial interest to benefit you. Rest easy, they’re still motivated by greed and their bottom line.
Enter the concept of the “negawatt” or you might of heard of the “notawatt”. This is the idea that a unit of power not generated or consumed is just as valuable as the unit of power generated. This is why rebates and incentive make financial sense to the utilities.
When demand for electricity spikes to extreme levels, utilities can’t just snap their fingers to create more power. They are forced to fire up “peaker plants”—secondary power stations that sit idle most of the year. These plants are incredibly expensive to operate, highly inefficient, and heavily penalized under modern carbon regulations. Or they’re required to import their power from outside of the region at a premium.
If a utility company has to build a new peaking plant to keep up with growing demand, the costs are staggering. According to capital cost estimates from the U.S. Energy Information Administration (EIA), constructing a new natural gas peaker plant costs anywhere from $1,000 to over $2,400 per kilowatt (kW) of capacity.
The Math of Rebates: If a utility company spends $20 million on residential insulation rebates and smart thermostats, and successfully lowers peak demand by 50 megawatts, they can completely avoid building a new $100 million power plant. Giving you a $1,500 rebate to upgrade your home is a massive financial win for them.
Beyond the long-term cost of building power plants, high demand threatens the grid in real-time. Grid operators, such as the New York ISO (NYISO), manage wholesale electricity markets where prices fluctuate based on supply and demand.
During normal hours, wholesale electricity might cost $30 to $50 per megawatt-hour (MWh). But during a severe heatwave, when millions of inefficient air conditioners are straining the grid, wholesale prices can legally skyrocket to over $2,000 per MWh. Utilities have to buy this incredibly expensive power to keep your lights on, but they usually can’t legally pass that sudden cost spike directly to your daily bill. They absorb the loss.
Furthermore, extreme demand overloads local substations and transformers, leading to equipment failure, fires, and rolling blackouts. A blackout results in millions of dollars in repair costs, regulatory fines, and legal liabilities for the utility company.
When you apply for an energy efficiency rebate, you aren’t taking advantage of a loophole, and the utility isn’t setting a trap.
By funding your new heat pump, sealing your air ducts, or upgrading your insulation, the utility is systematically dismantling the structural waste that threatens their grid stability. It is exponentially cheaper for them to help you optimize your home than it is for them to build new power plants and replace blown transformers.
So, the next time you see a rebate, claim it with confidence. Your lower utility bill is exactly what the utility company paid for.
If you want to see what’s available at your address, the rebate finder will show you in about 60 seconds.