Business computersENERGY STAR certified
HP Chromebook 15.6 inch ENERGY STAR
8 GB notebook computer, model number 15a-nb.
Memory
8 GB
Processor
Intel i3-N305
Typical electricity use
11.4 kWh/yr
NPU installed
No
Of 980 certified notebook business computers, 295 have a lower typical electricity use than the HP Chromebook 15.6 inch ENERGY STAR (11.4 kWh/yr).
Its certified typical electricity use of 11.4 kWh/yr costs about $1.48 a year at 13¢/kWh.
- Maker
- HP
- Model
- HP Chromebook 15.6 inch ENERGY STAR
- Model number
- 15a-nb
- Type
- Notebook
- Processor
- Intel i3-N305
- CPU cores
- 8
- Memory
- 8 GB
- NPU installed
- No
- Storage
- SDD
- Screen
- 15.6 in
- Battery
- 41 Wh
- Operating system
- Chrome OS
- Marketed as a workstation
- No
- Typical electricity use
- 11.4 kWh/yr
- Power in sleep
- 0.3 W
- Power at long idle
- 1.8 W
- Power when off
- 0.2 W
- On the market since
- May 2025
- ENERGY STAR certified
- 3 Jun 2025
Certified under the same record
The maker lists these as the same machine or a variant of it: HP Chromebook 15.6"ENERGY STAR, 15a-nb, 15at-nb, HP Chromebook ENERGY STAR.
Source: ENERGY STAR certified business computers dataset, US EPA, record 4429353, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the HP Chromebook 15.6 inch ENERGY STAR
Certified business computers from other makers, same color class, within 20% of its speed.
| Model | Type | Processor | Memory | Typical electricity use |
|---|---|---|---|---|
| Lenovo IdeaPad Duet 3 11IAN8 | Notebook | Pentium n200 | 8 GB | 12.8 kWh/yr |
| ASUS E410KA | Notebook | Pentium | 8 GB | 10.3 kWh/yr |
| Acer N24H4*** | Notebook | lntel� Pentium� Silver N6000 | 8 GB | 13.2 kWh/yr |
| DELL P33T | Notebook | N200 | 8 GB | 9 kWh/yr |
| Lenovo IdeaPad Slim 3 14IAN8 | Notebook | i3-N305 | 8 GB | 10.2 kWh/yr |
| Lenovo IdeaPad Slim 3 15IAN8 | Notebook | i3-N305 | 8 GB | 8.5 kWh/yr |
HP
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|---|---|---|---|---|
| HP OmniBook 5 14 inch Laptop AI PC ENERGY STAR | Notebook | Intel Core 7 350 | 16 GB | 9.2 kWh/yr |
| HP Fortis G2m 14 inch Chromebook ENERGY STAR | Notebook | MediaTek Kompanio 540 | 16 GB | 7.6 kWh/yr |
| HP Fortis G2m 11 inch Chromebook ENERGY STAR | Notebook | MediaTek Kompanio 540 | 8 GB | 6.5 kWh/yr |
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| HP ProBook 4 G2iS 14 ENERGY STAR | Notebook | Core 7 350 | 32 GB | 9.2 kWh/yr |
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