The power station was redeveloped several times to incorporate new plant to replace retired equipment.

In 1898 a new coal-fired steam plant was being built, equipped with Belliss engines and Parker dynamos.

These machines gave a total generating capacity of 800 kW of direct current (DC).

[8] The operating data for the period 1921–23 is shown in the table:[6] Under the terms of the Electricity (Supply) Act 1926 (16 & 17 Geo.

[10] The CEB identified high efficiency 'selected' power stations that would supply electricity most effectively.

The CEB also constructed the national grid (1927–33) to connect power stations within a region.

[3] In 1979 the site was owned by Salisbury City Council who wished to replace the station and surrounding buildings with a hotel, but this did not come to fruition.