South Carolina's 2026 heat pump money is utility money, and this storefront's territory runs the whole state, which means one page has to hold three program worlds. In the Lowcountry and across Dominion Energy South Carolina's service area, the headline is $650 for replacing an electric furnace with a heat pump, with central air conditioner and heat pump tiers paying $400 to $500 as alternatives. In Duke Energy Carolinas and Progress territory, Smart Saver pays $500 for replacing an existing heat pump and $1,000 for replacing electric strip heat, alternatives rather than a stack. Santee Cooper, the state-owned utility, runs its own programs that vary, which makes a direct confirmation call the only honest number for those meters. There is no live state program, and the federal 25C and 25D credits ended December 31, 2025, which makes the utility lines, and their conditions, the entire incentive conversation from South of Broad to the Upstate.
The Map in One Table
| Program | 2026 amount | Condition |
|---|---|---|
| Dominion Energy SC, electric furnace to heat pump | $650 | Dominion residential electric customers |
| Dominion Energy SC, central AC/heat pump tiers | $400 to $500 | Alternatives by application, not additive |
| Duke Smart Saver, replacing an existing heat pump | $500 | Duke Carolinas/Progress SC residential customers |
| Duke Smart Saver, replacing electric strip heat | $1,000 | Top tier; alternatives, not additive |
| Santee Cooper | Varies | State-owned utility; confirm any current rebate directly |
| Federal 25C/25D | Ended December 31, 2025 | Everywhere |
Dominion: The Electric-Furnace Line Is the Headline
For most Charleston addresses, the operative program is Dominion's, and its structure tells you what the utility wants: the $650 top line pays for retiring an electric furnace in favor of a heat pump, the most expensive-to-run heating configuration on its grid, while the $400 to $500 tiers cover central air conditioner and heat pump replacements. The tiers are alternatives by application, not a stack, so a project collects one line, and which line depends on what the new machine replaces. The full mechanics, and the collection sequence, live in our Dominion guide.
Duke Territory: The Strip-Heat Doubling
Where Duke Energy Carolinas or Progress bills the meter, Smart Saver pays two different amounts for two different projects: $500 when the new heat pump replaces an existing heat pump, $1,000 when it replaces electric strip heat. The doubling is the program's economics showing: strip heat is the grid's most expensive warmth, and the utility pays twice as much to retire it. The two tiers are alternatives, so a bid that shows both on one project has misread the program, and a bid that shows the $1,000 on a heat pump changeout has claimed the wrong tier. Either error is checkable before any equipment is discussed.
Santee Cooper: The Confirmation Call
Santee Cooper, the state-owned utility, runs programs that vary, and this page will not pretend otherwise. For those meters the honest procedure is one call to the utility, or one written confirmation from the contractor, stating what rebate exists for the proposed project this year, before any program dollars appear in the arithmetic. A quote that pencils in a Santee Cooper figure without a source has invented it; a quote that says "confirm with the utility, here is the number without it" is telling the truth.
The Stale Quote Test
The map doubles as a contractor filter anywhere in the state. A 2026 South Carolina quote citing the federal tax credit as live money is stale on its face, since those credits ended December 31, 2025. A Dominion quote claiming the $650 on a gas-furnace replacement has misread the electric-furnace condition. A Duke quote stacking the $500 and $1,000 tiers has misread the program's structure. The bidder who states the programs as this page states them, tiers, conditions, and confirmations included, has passed an honesty test before any equipment is discussed, per the sequence in our contractor guide.
Why the Project Clears Without the Rebate
Charleston's design nights sit in the upper twenties, among the gentlest winter exams the technology faces, and the cooling season runs long, humid, and hard. The economics rest on the operating math: against strip heat, electric furnaces, and aging early-generation heat pumps, the arithmetic clears in four figures over the machine's life without a dollar of subsidy, and the same machine replaces the air conditioner that was already the biggest line on the summer bill. A rebate should never be the reason a project happens; it is the bonus for a project that already cleared, per the specification discipline in our cold-weather guide.
The Housing Stock Angle
The programs read the same while the projects differ. Downtown, South of Broad, and Cannonborough carry the historic single houses and conversions where ductless and compact-ducted systems earn their keep, where usable ducts thin out and the electric resistance heat hiding in older renovations makes the strongest operating case in the Lowcountry. Mount Pleasant, Summerville, Goose Creek, and North Charleston carry the ducted subdivision stock where the most common project is replacing an aging heat pump or air conditioner, most often triggered by a machine that quit in July, which maps to Dominion's replacement tiers. The islands, Isle of Palms, Daniel Island, James Island, Johns Island, add the coastal variables: salt air on the outdoor unit and, in flood zones, equipment elevated on platforms, both belonging in the conversation before a price does.
Renters and Landlords
The rebate follows the buyer of the equipment, which means the owner. The Lowcountry rental stock carries much of its most expensive heat as electric resistance, warming tenants who cannot replace it, and the program map pays owners directly to fix exactly that: Dominion's top line retires electric furnaces, Duke's top tier retires strip heat. The owner's case needs no charity: a paid rebate, a large operating improvement, better cooling through the long season, and a property that rents better for both. A tenant's cheapest move is forwarding this page to whoever holds the deed.
Collecting Cleanly
The checklist is short and territory-first. Confirm which utility bills your meter, because the program follows the bill: Dominion for most of the Lowcountry, Duke Carolinas or Progress elsewhere, Santee Cooper where the state-owned utility serves. Confirm which tier your project actually qualifies for, stated against what the new machine replaces. Get the expected amount as a named line on the quote, along with who files the application. For Santee Cooper meters, get the program confirmation in writing before counting anything. Keep the invoice with the confirmation as the paper trail, and treat any quote citing the federal credits that ended December 31, 2025 as disqualified on page one.
The Short Version
Dominion pays $650 for retiring an electric furnace, $400 to $500 on its replacement tiers, alternatives by application. Duke Smart Saver pays $500 for a heat pump changeout and $1,000 for retiring strip heat, alternatives again. Santee Cooper varies and gets confirmed directly. No state program, and the federal credits ended December 31, 2025. Confirm the program by meter, match the tier to what the machine replaces, name the line, keep the paper, and spend your real attention on the load calculation and the capacity table, priced in our installation cost guide.
Get Your Free Lowcountry Quote
Start your free quote: two minutes, free, no obligation. You will be matched with contractors who know which South Carolina program your meter qualifies for, match the tier to your project before quoting, and size for the long humid season and the real winter chill both.