We have discussed a number of measures this morning, including directly funded retrofitting for families and the grants we can provide to reduce energy usage. Those measures are good for our climate because they reduce emissions and they reduce costs for households. We have been able to retrofit approximately 264,000 homes so far. Earlier this year, the Minister of State and I, along with our team, looked at the grants that were available and broke them down to make them more accessible, particularly for middle-income families. In the first quarter of this year, there were more than 50,000 applications for home retrofitting. We need to support that because it takes pressure off our energy system.
It is good as well because we are pointing families and householders in the direction of renewable energy. Over 120,000 homes now have rooftop solar systems. Those grants have been increased, as have heat pump grants. The focus on rural areas, which the Deputy mentioned, is critical.
We have brought forward things to be able to break down the grants, like attic insulation or cavity walls, which can be done separately. The windows and doors grants were also not available before unless you retrofitted your whole home. To be frank, many people could not afford to do that, even though the grants were substantial because these still needed to be matched with substantial funding. That is why we have broken them down. We have had over 8,000 applications for that grant alone, based on the last numbers I had, in just a two-month period. These are practical measures we are taking for people.
On the business side of things, we had 5,000 business retrofitting grants approved. We need to focus a lot more of our resources in that space because it protects people against future price shocks. When people get retrofitting done, their energy bills come down and they are protected against future shocks. They are also pivoting towards renewables and we are making good progress there.