1
iSpark Electrical - Lucky Solar
from 271 Google reviews.
Most reviewed · Updated October 2026
The solar installers of Castle Hill
As of October 2026, the three most reviewed solar installers rated 4.0 or better in Castle Hill, NSW on Talk of the Trade are iSpark Electrical - Lucky Solar (271 Google reviews at 5.0), RK Solar & Consulting Services (245 Google reviews at 4.6) and Hills Solar (213 Google reviews at 5.0).
- Solar Installers compared
- 40
- Google reviews
- 2,627
- Median rating
- 5.0
The solar installers of Castle Hill: the top 37
2
RK Solar & Consulting Services
from 245 Google reviews.
Castle Hill NSW
3
Hills Solar
from 213 Google reviews.
4
Solar Harbour
from 213 Google reviews.
5 Inglewood Pl, Sydney NSW 2153
5
Battery Deals
from 174 Google reviews.
Castle Hill NSW
6
Hills Natural Solar
from 116 Google reviews.
5/9 Hare Place, Rouse Hill, Sydney NSW 2155
7
AHE Group
from 116 Google reviews.
9 Salisbury Rd, Sydney NSW 2154
8
Your Green Planet
from 114 Google reviews.
9
Go Green Home Solar
from 108 Google reviews.
Castle Hill NSW
10
Bangar Energy
from 106 Google reviews.
11
Bangar Energy - Solar Panels & Battery Storage system Installers
from 96 Google reviews.
Castle Hill NSW
12
SolEarth Energy
from 81 Google reviews.
Castle Hill NSW
13
POWERGRID SOLAR
from 77 Google reviews.
593 Withers Rd, Sydney NSW 2155
14
Aussie Sky Solar
from 74 Google reviews.
15
Simply Solar Solutions
from 68 Google reviews.
16
The Hills Solar Centre
from 57 Google reviews.
6 Gladstone Rd, Sydney NSW 2154
17
Orbit Solar Pty Ltd
from 45 Google reviews.
4 Columbia Ct, Winston Hills NSW 2153
18
Fordan Solar
from 43 Google reviews.
19
Fordan Solar and Engineering
from 41 Google reviews.
15-17 Old Northern Rd, Sydney NSW 2153
20
Planet Solar
from 41 Google reviews.
21
Oz Smart Energy
from 40 Google reviews.
22
Essar Solar
from 36 Google reviews.
4 Columbia Ct, Sydney NSW 2153
23
Sydney Wide Solar
from 36 Google reviews.
1 Miller Way, Sydney NSW 2155
24
Galeon Solar
from 31 Google reviews.
25
Ecosun power pty ltd
from 27 Google reviews.
26
Blue Tech Energy NSW
from 24 Google reviews.
27
Alexa Energy Group
from 23 Google reviews.
Level 5, Nexus Building, 4 Columbia Court, Norwest
28
Solar Install Pros
from 15 Google reviews.
29
TCC Solar
from 15 Google reviews.
Castle Hill NSW
30
EnTech Solar
from 13 Google reviews.
31
Utility Solar- Renewable Energy at Your Doorstep
from 12 Google reviews.
Castle Hill NSW
32
SOLARVIA
from 9 Google reviews.
33
Sunharvest
from 6 Google reviews.
Castle Hill NSW
34
Your Local Solar
from 6 Google reviews.
Castle Hill NSW
35
Lachlan Solar
from 5 Google reviews.
36
Aussie Sun Solar
from 3 Google reviews.
114 burns road, kellyville nsw 2155, Sydney NSW 2155
37
Royal Solar & Battery
from 1 Google review.
Talk of the Trade compared 40 solar installers in Castle Hill, NSW, with 2,627 Google reviews between them. Of these, 37 meet this list's method. The median rating is 5.0 from a median of 41 reviews.
Of the solar installers compared, the most reviewed is iSpark Electrical - Lucky Solar, with 271 Google reviews at 5.0.
How this list is ranked
Businesses rated 4.0 or better are ranked by how many Google reviews they have. Ties go to the higher rating.
Many reviews show a business is busy and well known, not that it is the right fit for your job.
Questions
- Which solar installers in Castle Hill, NSW have the most Google reviews?
- As of October 2026, the three most reviewed solar installers rated 4.0 or better in Castle Hill, NSW on Talk of the Trade are iSpark Electrical - Lucky Solar (271 Google reviews at 5.0), RK Solar & Consulting Services (245 Google reviews at 4.6) and Hills Solar (213 Google reviews at 5.0).
- How does Talk of the Trade rank solar installers in Castle Hill, NSW?
- Businesses rated 4.0 or better are ranked by how many Google reviews they have. Ties go to the higher rating. Many reviews show a business is busy and well known, not that it is the right fit for your job.
- How many solar installers in Castle Hill, NSW did Talk of the Trade compare?
- Talk of the Trade compared 40 solar installers in Castle Hill, NSW, with 2,627 Google reviews between them. Of these, 37 meet this list's method. The median rating is 5.0 from a median of 41 reviews.
- Can a business pay to be listed or to rank higher?
- No. Every business is ranked by the same published method, and no business can pay to be listed or to move up.