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Generator Fuel Consumption — Real Manufacturer Figures

How much fuel generators actually use, by size class and fuel type — every figure from the manufacturer’s own documentation, not estimates.

Bi-Fuel (Ng/Lp)

5–10 kW Bi-Fuel (NG/LP)9 models · ~1.3 gal/h 10–15 kW Bi-Fuel (NG/LP)22 models · ~1.5 gal/h 15–20 kW Bi-Fuel (NG/LP)17 models · ~2.8 gal/h 20–25 kW Bi-Fuel (NG/LP)35 models · ~3.5 gal/h 25–30 kW Bi-Fuel (NG/LP)13 models · ~2.1 gal/h 30–35 kW Bi-Fuel (NG/LP)11 models · ~3.3 gal/h 35–40 kW Bi-Fuel (NG/LP)14 models · ~2.1 gal/h 40–45 kW Bi-Fuel (NG/LP)5 models · ~6.0 gal/h 45–50 kW Bi-Fuel (NG/LP)17 models · ~2.1 gal/h 50–55 kW Bi-Fuel (NG/LP)10 models · ~7.4 gal/h 60–65 kW Bi-Fuel (NG/LP)13 models · ~2.5 gal/h 80–85 kW Bi-Fuel (NG/LP)11 models · ~2.1 gal/h 100–105 kW Bi-Fuel (NG/LP)8 models · ~3.8 gal/h

Diesel

5–10 kW Diesel60 models · ~0.6 gal/h 10–15 kW Diesel60 models · ~0.9 gal/h 15–20 kW Diesel60 models · ~1.2 gal/h 20–25 kW Diesel51 models · ~1.5 gal/h 25–30 kW Diesel37 models · ~2.0 gal/h 30–35 kW Diesel45 models · ~2.6 gal/h 35–40 kW Diesel26 models · ~2.6 gal/h 40–45 kW Diesel48 models · ~3.1 gal/h 45–50 kW Diesel17 models · ~3.4 gal/h 50–55 kW Diesel33 models · ~3.6 gal/h 55–60 kW Diesel14 models · ~3.8 gal/h 60–65 kW Diesel29 models · ~4.2 gal/h 65–70 kW Diesel13 models · ~4.6 gal/h 70–75 kW Diesel16 models · ~5.2 gal/h 75–80 kW Diesel10 models · ~5.3 gal/h 80–85 kW Diesel28 models · ~5.1 gal/h 85–90 kW Diesel12 models · ~6.0 gal/h 90–95 kW Diesel9 models · ~1.2 gal/h 95–100 kW Diesel11 models · ~7.8 gal/h 100–105 kW Diesel28 models · ~7.0 gal/h 105–110 kW Diesel11 models · ~7.4 gal/h 110–115 kW Diesel11 models · ~7.4 gal/h 120–125 kW Diesel9 models · ~10.8 gal/h 125–130 kW Diesel21 models · ~8.1 gal/h 130–135 kW Diesel10 models · ~8.6 gal/h 135–140 kW Diesel10 models · ~10.2 gal/h 140–145 kW Diesel5 models · ~10.0 gal/h 145–150 kW Diesel5 models · ~8.7 gal/h 150–155 kW Diesel31 models · ~10.0 gal/h 155–160 kW Diesel6 models · ~10.4 gal/h 160–165 kW Diesel10 models · ~10.6 gal/h 170–175 kW Diesel5 models · ~11.0 gal/h 175–180 kW Diesel21 models · ~11.7 gal/h 180–185 kW Diesel8 models · ~11.6 gal/h 200–205 kW Diesel26 models · ~12.6 gal/h 205–210 kW Diesel6 models · ~10.5 gal/h 220–225 kW Diesel8 models · ~10.1 gal/h 230–235 kW Diesel12 models · ~10.9 gal/h 240–245 kW Diesel7 models · ~14.7 gal/h 250–255 kW Diesel14 models · ~16.3 gal/h 260–265 kW Diesel7 models · ~16.6 gal/h 275–280 kW Diesel16 models · ~17.3 gal/h 280–285 kW Diesel5 models · ~16.9 gal/h 290–295 kW Diesel5 models · ~18.7 gal/h 300–305 kW Diesel20 models · ~19.9 gal/h 350–355 kW Diesel26 models · ~21.4 gal/h 360–365 kW Diesel8 models · ~24.1 gal/h 400–405 kW Diesel13 models · ~24.5 gal/h 440–445 kW Diesel7 models · ~28.5 gal/h 450–455 kW Diesel16 models · ~30.1 gal/h 500–505 kW Diesel30 models · ~32.8 gal/h 525–530 kW Diesel5 models · ~30.9 gal/h 550–555 kW Diesel5 models · ~35.9 gal/h 600–605 kW Diesel14 models · ~37.6 gal/h 640–645 kW Diesel5 models · ~42.5 gal/h 700–705 kW Diesel5 models · ~41.3 gal/h 750–755 kW Diesel22 models · ~48.3 gal/h 800–805 kW Diesel18 models · ~51.5 gal/h 880–885 kW Diesel5 models · ~56.9 gal/h 900–905 kW Diesel7 models · ~59.7 gal/h 1000–1005 kW Diesel25 models · ~62.9 gal/h 1120–1125 kW Diesel5 models · ~69.5 gal/h 1150–1155 kW Diesel6 models · ~70.5 gal/h 1200–1205 kW Diesel5 models · ~78.7 gal/h 1250–1255 kW Diesel14 models · ~71.7 gal/h 1500–1505 kW Diesel21 models · ~94.7 gal/h 1600–1605 kW Diesel8 models · ~104.5 gal/h 1750–1755 kW Diesel11 models · ~112.0 gal/h 2000–2005 kW Diesel31 models · ~116.5 gal/h 2250–2255 kW Diesel8 models · ~123.1 gal/h 2500–2505 kW Diesel6 models · ~128.4 gal/h 2800–2805 kW Diesel5 models · ~140.0 gal/h 3000–3005 kW Diesel6 models · ~189.4 gal/h

Gasoline

0–5 kW Gasoline16 models · ~0.6 gal/h 5–10 kW Gasoline37 models · ~1.0 gal/h 10–15 kW Gasoline5 models · ~1.6 gal/h

Natural Gas

25–30 kW Natural Gas7 models · ~90.3 gal/h 30–35 kW Natural Gas5 models · ~4.5 gal/h 40–45 kW Natural Gas13 models · ~121.5 gal/h 60–65 kW Natural Gas5 models · ~3.1 gal/h 100–105 kW Natural Gas5 models · ~3.0 gal/h 300–305 kW Natural Gas5 models · ~57.1 gal/h 500–505 kW Natural Gas5 models · ~40.4 gal/h

Propane/Lpg

5–10 kW Propane/LPG13 models · ~1.2 gal/h 135–140 kW Propane/LPG6 models · ~59.9 gal/h 350–355 kW Propane/LPG6 models · ~15.9 gal/h